Computer Acronym List v1.0 This is a list of computer acronyms. Use it to figure out what people are talking about. If you have any questions or additions, please feel free to contact us. Without further ado, here they are: -sUMsDos AA Auto Answer AAL ATM Adaption Layer AAP Applications Access Point AARP Appletalk Address Resolution Protocol AASP ASCII Asynchronous Support Package AAT Average Access Time ABC Atanasoff-Berry Computer ABEND ABnormal END ABI Application Binary Interface ABIOS Advanced BIOS ABM Asynchronous Balanced Mode ABS Absolute ABT Abort AC Automatic Computer Alternating Current Access Control ACC Accumulator ACCLAIM Action Client Card List And Information Management ACD Automated Call Distribution ACE Advanced Computing Environment ACF Access Control Field Advanced Communications Function ACFM Adobe Composite Font Metrics ACIA Asynchronous Communications Interface Adapter ACIS American Committee for Interoperable Systems ACK ACKnowledgment ACL Advanced CMOS Logic ACM Association for Computing Machinery ACMS Application Control Management System ACP Ancillary Control Program Auxillary Control Process ACPDP Alternating Current Plasma Display Panel ACROSS Automated Cargo Release and Operations Service System ACS Access Access Control Set Access Control System Asynchronous Communication Server Advanced Communications System ASCE Association Control Service Element ACTFEL Alternating Current Thin Film ElectroLuminescent ACTS Advanced Communications Technology Satellite ACU Automatic Calling Unit A/D Analog to Digital AD Application Development ADA Automatic Data Acquisitions ADAPSO Association of Data Processing Service Organizations ADB Apple Desktop Bus ADC Add with Carry Analog to Digital Converter American Display Consortium ADCCP Advanced Data Communication Control Procedures ADD Adapter Device Driver ADE Application Development Environment ADF Automatic Document Feed Application Development Facility ADI Autodesk Device Interface ADL Address Data Latch ADLAT Adaptive Lattice Filter ADMD ADministration Management Domain ADP Automatic Data Processing Advanced Data Processing Administrative Data Processing ADPCM Adaptive Differential Pulse Code Modulation ADR Address ADRS A Departmental Reporting System ADS Application Development System Automatic Distribution System Autocad Development System ADSC Address Status Changed ADSP Appletalk DataStream Protocol ADSR Attack, Decay, Sustain, Release ADT Application Data Types Abstract Data Type ADU Automatic Dialing Unit AE Above or Equal Application Execution AEA American Electronics Association AEB Analog Expansion Bus AED Advanced Error Diffusion AEGIS Advanced Electronic Guidance and Instrumentation System AEP Application Environment Profile AF Auxilary carry Flag Audio Frequency AFC Automatic Font Change AFCAC Air Force Computer Acquisition Center AFE Apple File Exchange AFI Appletalk Filing Interface AFII Association for Font Information Interchange AFIPS American Federation of Information Processing Societies AFM Adobe Font Metrics AFP Appletalk Filing Protocol AFS Andrew File System AG Arcade Game AGC Automatic Gain Control AI Analog Input Artificial Intelligence Application Interface AIA Applications Integration Architecture AIFF Audio Interchange File Format AIIM Association for Information and Image Management AIMS Auto Indexing Mass Storage AISB Association of Imaging Service Bureaus AISP Association of Information Systems Professionals AIX Advanced Interactive Executive ALAP Appletalk LAP ALC Arithmetic and Logic Circuits Automatic Level Control Assembly Language Coding ALE Address Latch Enable ALGOL ALGOrithmic Language ALM Application Loadable Module ALO At Least Once ALR Advanced Logic Research ALS Automatic Line Switching Alt ALTernate ALU Arithmetic Logic Unit AM Amplitude Modulation AMD Active Matrix Display Advanced Micro Devices AMI American Megatrends Incorporated Alternate Mark Inversion AMLCD Active Matrix Liquid Crystal Display AMMA Advanced Memory Management Architecture AMT Address Mapping Table ANCOVA Analysis of Covariance ANDF Architecture Neutral Distribution Format ANI Automatic Number Identification ANOVA Analysis Of Variance ANSI American National Standard Institute ANTC Advanced Networked Test Center AO Analog Output AOCE Apple Open Collaboration Environment AOE Application Operating Environment AOL America OnLine AOS Add Or Subtract Acedemic Operating System AP Adjunct Processor Application Processor A/P Accounts Payable APA Arithmetic Processing Accelerator All Points Addressable APAREN Address Parity Enable APCUG Association of PC User Groups APDA Apple Programmers And Developers Association API Application Program Interface Application Programming Interface APL A Programming Language APM Advanced Power Management APP Applications Portability Profile APPC Advanced Program-to-Program Communication APPN Advanced Peer-to-Peer Networking APRIL APplication Rational Interface Logic APSE ADA Programming Support Environment APT Address Pass Through Automatic Programmed Tools AQ Accumulator-Quotient A/R Accounts Receivable AR Address Register ARC Advanced RISC Computing ARCA Advanced RISC Computing Architecture ARCNET Attached Resource Computer NETwork ARDIS Advanced National Radio Data Service ARG Argument ARL Adjusted Ring Length ARLL Advanced Run Length Limited ARM Asynchronous Response Mode Advanced RISC Machine ARMA Association of Records Managers and Administrators ARP Address Resolution Protocol ARPA Advanced Research Projects Agency ARPANET Advanced Research Projects Agency NETwork ARPL Adjust Requested Privilege Level ARTIC A Real-Time Interface Copressor ARQ Automatic Repeat reQuest ARU Audio Response Unit AS Application System Advanced Server ASAP As Soon As Possible Automatic Switching And Processing ASCII American Standard Code for Information Interchange ASDSP Application Specific DSP ASE Applied Service Elements ASIC Application-Specific Integrated Circuit ASIT Advanced Security and Identification Technology ASK Amplitude Shift Keying ASM ASseMbler Association for Systems Management ASN Abstract Syntax Notation ASP Association of Shareware Professionals Appletalk Session Protocol Aggregated Switch Procurement Advanced Signal Processor ASPI Advanced SCSI Programming Interface ASPS Advanced Signal Processing System ASR Automatic Send-Receive Automatic Speech Recognition ASSP Application Specific Standard Prot AST Albert wong, Safi qureshy, Tom vu ASYNC Asynchronous AT Advanced Technology Attention ATA AT Bus Attachment ARCNET Trade Association ATDP Attention Dial Pulse ATDT Attention Dial Tone ATE Automated Test Equipment ATG Advanced Technology Group ATH Attention Hang-Up ATLATL AnyThing Lord to AnyThing Lord ATM Adobe Type Manager Asynchronous Transfer Mode Automated Teller Machine ATP Appletalk Transaction Protocol ATR Automatic Terminal Recognition Attribute ATS Administrative Terminal System Apple Terminal Services AT&T American Telephone and Telegraph ATTN Attention ATTRIB Attribute AUDIT Automated Data Input Terminal AUI Attachment Unit Interface Auxillary Unit Interface Access Unit Interface AUP Acceptable Use Policy AUTO Automatic AUTODIN AUTOmatic Digital Network AUTOVON AUTOmatic VOice Network AUX Auxiliary AV AntiVirus AutoVisual AVA Audio Visual Authoring AVC Audio Visual Connection AVG Average AVI Audio Visual Interleaved AWG American Wire Guage AWK alfred Aho, peter Weinberger, brian Kernighan AX Architecture Extended Automatic Transmission b Bit B Byte BAD Broken As Designed BAK Binary Adaption Kit BAL Basic Assembly Language Branch And Link BALUN BALanced UNbalanced BAM Boyan Action Module BAPCO Business Aplication Performance COrp. BARTS Bell Atlantic Regional TimeSharing BASH Bourne Again Shell BASIC Beginner's All-purpose Symbolic Instruction Code BBN Bolt, Beranek and Newman BBS Bulletin Board System BCD Binary Coded Decimal BCDIC Binary Coding Decimal Interchange Code BCL Batch Command Language BCP Byte Controlled Protocols BCPL Basic Combined Programming Language BCR Byte Count Register BCS Binary Compatility Standard Boston Computer Society British Computer Society B&D Bondage and Discipline BDF Binary Distribution Format BDOS Basic Disk Operating System BE Below or Equal BEL Bell BELLCOREBell Communications Research BER Basic Encoding Rules Bit Error Rate BEST Borland Enhanced Support and Training BF Bad Flag B/F Background/Foreground BFI Brute Force and Ignorance BFMI Brute Force and Massive Ignorance BFT Binary File Transmission BGE Branch if Greater or Equal BGT Branch if Greater Than Borland Graphic Interface BHI Branch if Higher BHIS Branch if Higher or Same BI Binary Input BIF Binary Initialization File BIFF Binary Interchange File Format BILOS Brother-In-Law Of Stopgap BIM Beginning of Information Marker BINAC Binary Automatic Computer BIOC Break Into Other Computers BIOS Basic Input/Output System BIPS Billion Instructions Per Second BITS Base Information Transfer System BIS Business Information System BISDN Broadband ISDN BIST Built In Self Test BiSYNC Binary Synchronous Communications BIT Binary digit BITNET Because It's Time Network BIU Bus Interface Unit BIX Byte Information eXchange BKSP Backspace BL Backlit BLAST Blocked Asynchronous Transmission BLE Branch if Less or Equal BLF Busy Line Feed BLIT Bell Labs Intelligent Terminal BLK Block BLMC Buried Logic Macrocell BLOB Binary Large OBject BLOS Branch if Lower Or Same BLT BLock Transfer BMI Branch if Minus BMIC BusMaster Interface Controller BMP Batch Message Processing Program BitMaP BNC Bayonet N Connector BNE Branch if Not Equal BNF Big Name Fan Bachus-Naur Form BNM Blue Noise Mask BO Binary Output BOC Bell Operating Company BOF Beginning Of File BOM Beginning Of Message BOMP Bill Of Materials Processor BOP Bit Oriented Protocol BORPQU Borland Pro Quattro BORQU Borland Quattro BOS Basic Operating System BOSIX Biin Open System Interface eXtension BOT Beginning Of Table Beginning of Tape BP Base Pointer BPB BIOS Parameter Block BPI Bits Per Inch BPL Branch if Plus BPS Bits Per Second Bytes Per Second BQS Berkeley Quality Software BR Bad Register BRB Be Right Back BRI Basic Rate Interface Brain Response Interface BRIEF Basic Reconfigurable Interactive Editing Facility BRS Bibliographic Retrieval Service Big Red Switch BS BackSpace BSA Business Software Alliance BSAM Basic Sequential Access Method BSC Binary Synchronous Communication BSD Berkeley Software Distribution BSF Bit Scan Forward BSI British Standards Institute BSR Bit Scan Reverse BSS Block Started by Symbol BSY Busy BSYNC Binary Synchronous Communications BT Bit Test BTAM Basic Telecommunications Access Method BTC Bit Test and Complement BTL Bell Telephone Laboratories BTLZ British Telecom Lempel Ziv BTOA Binary TO Ascii BTP Batch Transfer Program BTR Bit Test and Reset BTS Bit Test and Set BUF Buffer BUNCH Burroughs, Univac, NCR, Control Data, Honeywell BWM Block-Write Mode BWOD BandWidth On Demand BYTE Binary Element BTZ Bundesant fur Zulassungen in der Telekommunikation B&W Black and White Bells and Whistles BWQ Buzz Word Quotient BX Base eXchange CA Collision Avoidance Computer Associates CACM Communications of the Association for Computing Machinery CAD Computer Aided Design CADD Computer Aided Design and Drafting CAE Common Applications Environment Computer Aided Engineering CAF Compters & Acedemic Freedom CAG Column Address Generator CAI Computer Aided Instruction Computer Associates International CAIS Common ASPE Interface Specification CAL Calendar Computer Assisted Learning Conversational Algebraic Language CALS Computer-aided Acquisition and Logistics Support CAM Common Access Method Computer Aided Manufacturing Content Addressable Memory Computer Aided Management CAMP Coporate Association for Microcomputer Professionals CAN Cancel CAP Central Arbitration Point Computer Aided Publishing Columbia Appletalk Package CAPD Computing To Assist Persons With Disabilities CAPS Capitals (Upper Case Letters) Cassette Programming System CAPSL CAnon Printing System Language CAR Computer Aided Retrieval Contents of the Address Register CARDS Central Archive for Reusable Defense Software CARL Colorado Alliance of Research Libraries CAS Column Address Select Communicating Applications Specification Computer Aided Styling CASE Computer Aided Software Engineering Computer Aided Systems Engineering CASL Crosstalk Application Scripting Language CASS Computer Assisted Search Service CASSIS Classified and Search Support Information System CAT Computer Aided Testing Computer Aided Tomography Computer Aided Transcription Concatenate CATIS Common Applications and Tools Integration Services CATV Community Antenna Television CAU Contolled Access Unit CAV Constant Angular Velocity CB Citizen's Band CBCR Channel Byte Count Register CBEMA Computer and Business Equipment Manufacturers Association CBL Computer Based Learning CBR Computer Based Reference CBT Computer Based Training CBW Convert Byte to Word CBX Computerized Branch Exchange CC Cluster Controller Carbon Copy CCA Common Cryptographic Architecture Communications Control Architecture Compatible Communications Architecture Computer Corporation of America CCD Charged-Coupled Device CCFL Cold Cathode Fluorescent Lamp CCFT Cold Cathode Fluorescent Tube CCI Computer Carrier Interrupt Computer Consoles, Inc. CCIA Computer and Communications Industry Association CCIP Continuously Computed Impact Point CCIS Common Channel Interoffice Signaling CCITT Comite' Consultatif Internationale Telegraphique et Telephonique Consultative Committee on International Telegraphy and Telephony CCP Console Command Processor CCRP Continuously Computed Release Point CCS Common Communications Support CCSA Common Control Switching Arrangement CCTA Central Computer and Telecommunications Agency CCTV Closed Circuit TeleVision CD Carrier Detect Change Directory Collision Detection Color Display Compact Disk C/D Control Data CDA Compound Document Architecture Call Data Accumulator CDC Control Data Corporation CD_CHRDYCarD CHannel ReaDY CDDI Copper Distributed Data Interface CDE Complex Data Entry Cooperative Development Environment Common Desktop Environment CDEV Control panel DEVice CD-I Compact Disk - Interactive CDIF Case Data Interchange Format CDL Computer Design Language CDOS Concurrent Disk Operating System CDPD Celluar Digital Packet Data CDPT Celluar Digital Packet Technology CDR Call Detail Record Call Detail Recording Contents of the Decrement Register CD-R CD-ROM Recorder CD-RDx Compact Disk - Read Only Memory Data Exchange Standard CDRL Contract Data Requirements List CD-ROM Compact Disk - Read Only Memory CDROMXA CDROM eXtended Architecture CD-RTOS Compact Disk - Real Time Operating System CDS Current Directory Structure CDU Control Display Unit CD-V Compact Disk - Video CD-WO Compact Disk - Write Once CE Cache Enable Chip Enable Collision Elimination Convert Enable CEG Continuous Edge Graphics CEI Conducted Electromagnetic Interference CEO Comperhensive Electronic Office CERT Computer Emergency Response Team CERT/CC Computer Emergency Response Team/Coordination Center CES Consumer Electronics Show CEVI Computer Equipment Voltage Indicator CFD Computational Fluid Dynamics CGA Color Graphics Adapter CGI Computer Generated Images Computer Graphics Interface Color Graphics Interface CGM Computer Graphics Metafile CHAP CHAnnel Processor CHAR CHARacter CHAT Conversational Hypertext Access Technology CHCK CHannel ChecK CHGRP CHange GRouP CHKDSK CHecK DiSK CHMOD CHange MODe CHOWN CHange OWNer CHP ChaPter CHR CHaRacter CICS/VS Customer Information Control System/Virtual Storage CID Computer Integrated Design CIDIN Common Icao Data Interchange Network CIE Commission Internationale d'Eclairage CIM CompuServe Information Manager Computer Integrated Manufacturing CIOCS Communication Input/Output Control System CIP Command Interface Port CIRC Circular Reference CIS CompuServe Information Service Computer Information Systems Card Information Structure CISC Complex Instruction Set Chip Complex Instruction Set Computer CIX Commercial Internet eXchange CKD Count Key Data CL Connectivity Language CLAR Channel Local Address Register CLASS Custom Local Area Signaling System CLC CLear Carry Canon Laser Copier CLD CLear Direction CLI CLear Interrupt Command Line Interface Call Level Interdace CLIST Command LIST CLK CLocK CLM Career Limiting Move CLNP ConnectionLess Network Protocol CLRC Circuit Layout Record Card CLS CLear Screen CLTS CLear Task Switch CLUT Color Look Up Table CLV Constant Linear Velocity CM Control Mark Corrective Maintenance CMA Concert Multi-thread Architecture CMC Communication Mangement Configuration Complement Carry Flag Common Mail Calls CMD Centralized Message Distribution CMI Computer Managed Instruction CMIP Common Management Information Protocol CMIS Common Management Information System CML Current Model Logic CMMU Cache/Memory Management Unit CMOS Complementary Metal-Oxide Semiconductor CMOT CMi Over Tcp/ip CMP Compare Computer CoMmunications Plenum CMPS CoMPare String CMR CoMmunications Riser CMS Creative Music Systems Code Management System Compiler Monitor System Conversation Monitor System Conversational Monitor System Color Management System Call Management System CMU Carnegie Mellon University CMY Cyan-Magenta-Yellow CMYK Cyan-Magenta-Yellow-Black CNA Certified Netware Administrator CNC Computerized Numerical Control CNE Certified Netware Engineer CNG CalliNG CNI Certified Netware Instructor CNR Carrier Noise Ratio CNVT Convert CO Central Office Command Output Convert Out COBOL COmmon Business-Oriented Language COBRA Common OBject Request Association CODASYL Conference on Data System Languages CODEC COder-DECoder COEM Commercial Original Equipment Manufacturer COGO COordinate GeOmetry COIN Columbia Online Information Network COLD Computer Output to Laser Disc COM Computer Output Microfilm Common Object Model CON Console CONFIG Configuration CONS Connection Oriented Network Services COOL COBOL Object Oriented Language COP Character Oriented Protocol CORBA Common Object Request Broker Architecture CORE COntrolled Requirement Expression CORN COmputer Resource Nucleus COS Compatible Operating System Corporation for Open Systems COSE Common Open System Environment COSMIC Common System Main InterConnection COmputer Software Management and Information Center COSMOS Computer System for Mainframe Operations COSS Common Object Services Specification CP Copy Protected Command Processor CPE Central Processing Element Customer Premise Equipment Customer Provided Equipment CPF Control Program Facility CPG Clock Pulse Generator CPI Characters Per Inch Clock Per Instruction Common Programming Interface CPL Current Privilege Level Characters Per Line Combined Programming Language CP/M Control Program for Microcomputers CPM Critical Path Method CPN Compuserve Packet Net CPS Characters Per Second CPSR Computer Professionals for Social Responsibility CPU Central Processing Unit CR Carriage Return CRAM Card RAM CRC Cyclic Redundancy Check CREN Corporation for Research and Educational Networking CRF Cross Reference File CR/LF Carriage Return/Line Feed CROM Control Read Only Memory CRT Cathode Ray Tube CRTC CRT Controller CRUD Create Retrieve Update and Delete CS Chip Select Clear to Send Code Segment Computer Science CSAB Computer Science Accreditation Board CSAR Channel System Address Register CSC Computer Science Corp. CSDC Circuit Switched Digital Capability CSG Constructive Solid Geometry Consulting Services Group CSI Commercial System Integration Computer Security Institute CSIC Costumer Specific IC CSL Computer Sensitive Language CSMA Carrier Sense Multiple Access CSMA/CA Carrier Sense Multiple Access with Collision Avoidance CSMA/CD Carrier-Sense Multiple Access with Collision Detect CSO Computing Services Office CSP Commercial Subroutine Package CompuCom Speed Protocol Cross System Product CSPP Computer Systems Policy Project CSR Control and Status Register CSRG Computer Systems Research Group CSS Continuous System Simulation CSTA Computer-Supported Telephony Applications CSTO Computer Systems and Technology Office CSV Comma Separated Value C&T Chips and Technologies CTM Current Transformation Matrix CTOS Computerized Tomography Operating System Convergent Technologies Operating System CTPA Coax-to-Twisted-Pair Adapter CTRL Control CTS Clear To Send CTSS Compatible Time Sharing System CTY Console TeletYpe CUA Common User Access CUB Cursor Backward CUD Cursor Down CUF Cursor Forward CUI Common User Interface Character based User Interface CUP Cursor Position CUPID Completely Universal Processor I/O Design CUSP Commonly Used System Program CUU Cursor Up CVF Compressed Volume File CVGA Color Video Gaphics Array CVIA Computer Virus Industry Association CWD Convert Word to Double Word CYL Cylinder CYMK Cyan-Yellow-Magenta-Black D/A Digital to Analog DA Desk Accessory DAA Data Access Arrangement Decimal Adjust for Addition DAC Digital to Analog Converter Drive Array Controller DAD Digital Audio Disc Database Action Diagram DAEMON Disk And Execution MONitor DAL Data Access Language Disk Access Lockout DAM Data Acquisition and Monitoring DAP Data Access Protocol DARPA Defense Advanced Research Project Agency DAS Decimal Adjust for Subtraction Disk Array Subsystem Dual Attached Studio DASD Direct Access Storage Device DASH Dell Advanced SCSI Host DAT Digital Audio Tape DATACOM Data Communications DB Data Base Data Buffer DeciBels DBA Adjusted Decibels DBC Double Byte Code DBF DBase Format DBM Data Base Manager DBME DataBase Management Environment DBMS Data Base Management System DBS Data Base Server DB2 Database 2 DC Data Collection Data Communication Data Control Device Control Direct Current DCA Digital Communications Associates Document Content Architecture Distributed Communications Architecture DCAF Distributed Console Access Facility DCB Disk Coprocessor Board DCC Display Combination Code DCD Data Carrier Detect DCE Data Communications Equipment Distributed Computing Environment Distributed Computing Equipment Data Circuit terminating Equipment DCF Data Communication Facility Data Count Field DCL Declaration DEC Command Language Device Clear Digital Control Logic Digital Command Language DCS Data Collection System Data Control System DCT Discrete Cosine Transfer DD Day Digital Display Double Density Disk Drive Data Directory DDA Digital Differential Analyzer DDBMS Distributed DBMS DDCMP Digital Data Communications Message Protocol DDCP Direct Digital Color Proofing DDD Direct Distance Dialing DDE Direct Data Entry Dynamic Data Exchange DDEML Dynamic Data Exchange Management Library DDK Driver Development Kit DDL Data Definition Language Data Description Language Document Description Language DDM Distributed Data Management DDN Defense Data Network DDP Datagram Delivery Protocol Distributed Data Processing DDS Design Data Sheet Digital Data Storage Digital Data Service Dataphone Digital Service DDT DEC Debugging Tape Dynamic Debugging Technique DEC Decrement Device Clear Digital Equipment Corporation DEL DELete DEM Digital Elevation Model DEMA Data Entry Management Association DES Data Encryption Standard Data Entry Sheet DET Device Execute Trigger Direct Entry Table DEV Device DF Data Field Destination Field Device Flag Double Flag Don't Fragment DFC Data Flow Control DFDSM Data Facility Distributed Storage Manager DFS Distributed File System DFT Diagnostic Funtion Test Discrete Fourier Transform Distributed Function Terminal DFU Data File Utility DG Data General DGIS Direct Graphics Interface Standard DHA Destination Hardware Address DI Data In Destination Index DIA Document Interchange Architecture DIB Device Independant Bitmap Directory Information Base DIBOL DEC Business Oriented Language DIgital coBOL DID Direct Inward Dialing Destination IDentification DIF Data Interchange Format Document Interchange Format Display Information Facility Dual Inline Flatpack DIFFSENSDifferential Sense DIIP Direct Interrupt Identification Port DIMS Document Imaging Management System DIN Deutsche Industrie Normenausschuss Deutsches Institut fur Normung DIO Data Input-Output DIP Dual In-line Package DIR Directory DIS Dynamic Impedance Stabilization Draft International Standard DISOSS DIStributed Office Support System DISP Displacement DIV Divide DIW D-Inside Wire DL Download DL/1 Data Manipulation Language 1 DLC Data Link Control DLE Data Link Escape DLL Dynamic Link Library DLO Dead Letter Office DLR DOS LAN Requester DMA Direct Memory Access DMAC DMA Controller DME Distributed Management Environment DMI Desktop Management Interface DML Data Manipulation Language Database Management Language DMM Digital Multimeter DMMS Dynamic Memory Management System DMOS Double-diffused Metal-Oxide Semiconductor Diffustion Metal Occide Semiconductor DMP Dot Matrix Printer DMPL Digital Microproccessor Plotter Language DMRD Defense Management Report Decision DMS Data Management Software Data Management System DMTF Desktop Management Task Force DMY Day Month Year DN Down DNA Digital Network Architecture DNC Direct Numerical Control DNHR Dynamic NonHierachal Routing DNIC Data Network Identification Code DNIS Dialed Number Identification Service DNS Domain Naming System DO Data Out DOC Department of Communications DOD Department Of Defense DOI Document Oriented Interface DOMAIN Distributed Operating Multi Access Interactive Network DOS Disk Operating System DOS/VSE Disk Operating System/Virtual Storage Extended DOW Day Of Week DP Data Processing Draft Proposal Display Postscript Dissociated Press DPA Demand Protocol Architecture DPANS Draft Proposed American National Standard DPAREN Data Parity Enable DPB Drive Parameter Block DPC Direct Program Control DPCM Differential PCM DPI Dots Per Inch DPL Descriptor Privilege Level DPM Digital Panel Meter DPMA Data Processing Management Association DPMI DOS Protected Mode Interface DPPX Distributed Processing Programming eXecutive DPS Display PostScript DPSK Differential Phase Shift Keying DQDB Distributed Queue Dual Bus DQL Database Query Language DR Digital Research Data Received D/R Direct or Reverse DRAM Dynamic Random Access Memory DRAW Direct Read After Write DRD Data Reading Device DRDA Distributed Relational Data Architecture DRDBMS Distributed Relational DBMS DRDW Direct Read During Write DRI Digital Research Incorporated DRO Data Request Output Destructive Read-Out DRV Drive DS Data Segment Data Send Data Server Double Sided Directory Services DSA Distributed Systems Architecture Directory Systems Agent Digital Storage Architecture Digital Signal Analyzer Destination Software Address Directory System Alert DSAP Destination Service Access Point DSC Document Structuring Conventions DSDD Double Sided, Double Density DSE Data Storage Equipment Data Structure Editor DSEA Display Station Emulation Adapter DSECT Dummy Control Section DSEE Domain Software Engineering Environment DSHD Double Sided, High Density DSL Dynamic Simulation Language DSOM Distributed SOM DSP Digital Signal Processing Digital Signal Processor DSQD Double Sided, Quad Density DSR Data Set Ready Device Status Register Device Status Report DSRI Digital Standard Relational Interface DSS Decision Support System Digital Signature Standard DSTN Double Supertwisted Nematic DSU/CSU Data Service Unit/Channel Service Unit DSW Data Status Word Device Status Word D2T2 Dye Diffusion Thermal Transfer DTA Disk Transfer Area DTC Digital Typeface Corp. DTE Data Terminal Equipment Dumb Terminal Emulator DTL Diode-Transistor Logic DTMF Dual Tone MultiFrequency DTP Desktop Publishing DTR Data Terminal Ready Data Transfer Rate DTV Desk Top Video DU Disk Usage DVI Digital Video Interactive DUA Directoy User Agent DUOW Distributed Unit Of Work DVM Digital Volt Meter DWG Drawing DXC Data Exchange Control DXF Drawing Interchange Format EA Extended Attribute EARN European Acedemic Research Network EAROM Electrically Alterable Read Only Memory EARS Electronic Access to Reference Services EATA Enhanced AT Bus Attachment EBB Economic Bulletin Board EBBS Electronic BBS EBC EISA Bus Controller EBCDIC Extended Binary Coded Decimal Interchange Code EBDA Extended BIOS Data Area EBI Equivalent Background Input Extended Background Investigation EBT Electronic Benefits Transfer ECAL Enjoy Computing And Learn ECC Error Check Code Error Checking and Correction Error Correction Code ECD Enhanced Color Display ECF Enhanced Connectivity Facilities ECHO European Commision Host Organization ECL Emitter Coupled Logic ECMA European Computer Manufacturers Association ECP Extended Capabilities Port ED Erase Display End Delimiter EDA Embedded Document Architecture Enterprise Data Access EDC Error Detection and Correction EDD Enterprise Data Distribution EDDC Extended Distance Data Cable EDGAR Electronic Data Gathering, Analysis, and Retrieval EDI Electronic Data Interchange Electronic Document Interchange EDIA Electronic Data Interchange Association EDIF Electronic Design Interchange Format EDIFACT EDI for Administration Commerce and Transport EDL Edit Decision List EDLC Ethernet Data Link Control EDLIN Editor Line EDP Electronic Data Processing EDPM Electronic Data Processing Machine EDS Electronic Data Systems EDSAC Electronic Delay Storage Automatic Computer EDSI Enhanced Small Device Interface EDVAC Electronic Discrete Variable Automatic Computer EEC Extended Error Correction EEHLLAPIEntry Emulator High Level Language API EEL Epsilon Extension Language EEM Extended Memory Management EEMS Enhanced Expanded Memory Specification EEPROM Electrically Erasable Programmable Read-Only Memory EFA Extended File Attribute EFF Electronic Frontier Foundation EFI Electromechanical Frequency Interference Electronics For Imaging EFL Emitter Follower Logic EFTS Electronic Funds Transfer System EGA Enhanced Graphics Adapter EHF Extremely High Frequency EIA Electronic Industries Association EINE EINE Is Not EMACS EIS Executive Information System EISA Extended Industry Standard Architecture EL Electroluminescent Erase Line ELAP Ethernet LAP ELF Extremely Low Frequency ELS Entry Level System EM Electronic Mail Expanded Memory End Medium EMA Enterprise Management Architecture Electronic Mail Association EMACS Editor MACroS Eight Megabytes And Constantly Swapping Escape Meta Alt Control Shift E-MAIL Electronic Mail EMB Extended Memory Blocks Enhanced Master Burst EMC Electromagnetic Compatibility Extended Math Coprocessor EMI Electromagnetic Interference EMM Expanded Memory Manager Enterprise Mail Management EMMS Electronic Mail and Micro Systems EMR Electro-Magnetic Radiation EMS Electronic Mail System Electronic Message Service Expanded Memory Specification Enterprise Messaging Server EMU ElectroMagnetic Unit EN Electronic News ENDS End Segment ENIAC Electronic Numerical Integrator and Computer ENQ Enquiry ENS Enterprise Network Services EO Erasable Optical EOA End of Address EOB End of Block EOC End of Conversion EOD End Of Data EOF End of File EOFC End Of Facsimile Control EOI End or Identify EOJ End of Job EOL End of Line End of List EOM End of Message EOR Exclusive OR EOS End of String EOT End Of Table End of Tape End of Text End of Transmission EOU End Of User EPL Effective Privilege Level EPLD Electrically Programmable Logic Device EPP Enhanced Parallel Port EPROM Electrically Programmable Read Only Memory Erasable Programmable Read Only Memory EPS Encapsulated PostScript EPSF Encapsulated PostScript Files EPSI Encapsulated PostScript Interchange EQ EQual to EQR Electronics Quality Registry ERA Electrically Reconfigurable Array ERLL Enhanced Run Length Limited EROM Erasable Read Only Memory ERR Error ERLL Extended Run Length Limited ES Extra Segment Expert System End System ESA European Space Agency ESC Escape ESD Electrostatic Discharge Electronic Software Distribution Electrostatic Sensitive Device ESDI Enhanced Small Device Interface ESI Enhanced Serial Interface ESOBB European Southern Observatory Bulletin Board ESP Enhanced Serial Port Enhanced Service Provider ESPS Entropic Signal Processing System ESS Electronic Switching System Electronic SpreadSheet ESSEX Experimental Solid State EXchange ESU Electro-Static Unit ETB End of Transmission Block ETLA Extended Three Letter Acronym ETPL Endorsed Tempest Products List ETS Econometric Time Series ETX End of Text EVGA Extended Video Graphics Array Extended Video Graphics Adapter EXCA EXchangable Card Architecture EXP Exponent EXT External EXTRN External Reference EZW Embedded Zerofree Waves FAB Computer-Chip Fabrication Plant FACS Facility Assignment and Control System FAMOS Floating Gate Avalanche MOS FAO For Adults Only FAP File Access Protocol FAQ Frequently Asked Questions FASST Flexible Architecture Standard System Technology FAST Federation Against Software Theft FAT File Allocation Table FATT File ATTach FAX Facsimile FBE Free Buffer Enquiry FBR For Best Results FC Fiber Channel Frame Control FCB File Control Block FCC Federal Communications Commission Federal Computer Conference FCCSET Federal Coordinating Council for Science, Engineering, and Technology FCI Flux Changes per Inch FCP Foundation for Cooperative Processing FCS Frame Check Sequence FD Floppy Disk Full Duplex FDC Floppy Disk Controller FDD Floppy Disk Drive FDDI Fiber Digital Device Interface Fiber Distributed Data Interface FDISK Fixed Disk FDM Frequency Division Multiplexing FEA Finite Element Analysis FEC Forward Error Correction FED Field Emission Display FEDIX FEDeral Information eXchange FEFO First-Ended, First-Out FEP Front End Processor FET Field Effect Transistor FF Flip-Flop Form Feed FFT Fast Fourier Transform 4GL Fourth Generation Language FH Full Height FIE Federal Information Exchange FIF Fractal Image Format FIFO First-In, First-Out FILO First-In, Last-Out FIMS Forms Interface Management System FIN FINish flag FIP File Processor Buffering FIR Finite Impulse Response FIRST Forum of Incident Response and Service Teams FISH First In, Still Here FLACC Full Level ALGOL Checkout Compiler FLD Field FLOP FLoating point OPeration FLOPS Floating Point Operations Per Second FM Frequency Modulation FMS Forms Management System FMT Format FNT Font FOCUS Forum of Control Data Users Federation On Computing in the U.S. FOD Finger Of Death FOG First Osborne Group FOIRL Fiber Optic Inter Repeater Link FORTRAN Formula Translator FOSE Federal Office Systems Exposition FOSSIL Fido/Opus/Seadog Standard Interface Layer FPA Floating Point Accelerator FPD Flat Panel Display FPE Floating Point Engine FPGA Field Programmable Gate-Array FPLA Field Programmable Logic-Array FPP Fixed Path Protocol Floating Point Processor FPS Frames Per Second FPU Floating Point Unit FQDN Fully-Qualified Domain Name FRACTAL FRACTional dimensionAL FRAG Fragment Fragmentation FRAM Ferroelectric Random-Access Memory Ferromagnetic RAM FRED FRame EDitor FRont End to the Directory Flipping Rediculous Electronic Device FREQ File REQuest FRMR FRaMe Reject FRPI Flux Reversals Per Inch FS File Separator Frame Status FSD File System Driver FSF Free Software Foundation FSK Frequency Shift Keying FSR Free System Resources F/T Full Time FTAM File Transfer, Access and Management FTC Federal Trade Commission FTM Flat Tension Mask FTP File Transfer Protocol FTS Federal Telecommunication System FUBAR Failed UniBus Address Register FUD Fear, Uncertainty, and Doubt FUNC Function FWIW For What It's Worth FYA For Your Amusement FYI For Your Information G Giga GAAP Generally Accepted Accounting Principles GAL Generic Array Logic GAN Global Area Network GB Gigabyte GC Garbage Collection Garbage Collector Garbage Collect GCL Graphics Command Language GCOS General Comprehensive Operating System GCR Group Code Recording Gray Component Replacement GDA Global Data Area GDDM Graphics Data Display Manager GDI Graphics Device Interface GDS General Data Stream GDT Geometric Dimensioning and Tolerancing Global Descriptor Table GE General Electric Greater than or Equal to GECOS General Electric Comprehensive Operating System GEL Gain Extention Language GEM Graphics Environment Manager GENIE General Electric Network for Information Exchange GENSYM Generated Symbol GEOS Graphic Environment Operating System GET Get Execute Trigger GFR Grim File Reaper GHz Gigahertz GIF Graphic Interchange Format GIGO Garbage In, Garbage Out GIN Graphics INput GIPS Giga-Instructions Per Second GIS Geographical Information System GKS Graphical Kernal System G/L General Ledger GL Graphics Language GLM General Linear Models GMT Greenwich Mean Time GND System Ground GNU GNU's Not Unix GNUMACS GNU EMACS GORP Good Old Raisins and Peanuts GOSIP Government Open Systems Interconnection Profile GOSMACS Gosling EMACS GP Gas Plasma General Purpose GPF General Protection Fault GPI Graphics Programming Interface GPIB General Purpose Interface Bus GPL General Public License GPS Global Positioning System GPSS General Purpose Systems Simulation GPV General Public Virus GRE Graphics Engine GREP Global Regular Expression Print GS Group Separator GSA General Services Administration GT Greater Than GTE General Telephone and Electric GUI Graphical User Interface GUS Gravis UltraSound GVPN Global Virtual Private Network GW-BASICGee Whiz BASIC HA Host Adapter HAKMEM HAcKs MEMory HAL Hard Array Logic House Programmed Array Logic Hardware Abstraction Layer Heuristically programmed ALgorithmic computer HAM Hold And Modify HASP Houston Automatic Spooling Priority HBD Honeywell Brain Damage HCF Halt and Catch Fire HD Hard Disk High Density HDA Head Disk Assembly Hard Disk Assembly HDBV Host DataBase View HDD Hard Disk Drive HDI Head to Disk Interference Help Desk Institute HDLC High-Level Data Link Control HDPT Hard Disk Parameter Table HDR Header HDSC High Density Signal Carrier HDTV High Definition TeleVision HDW Hardware HEA Hyundai Electronics America HEC Human Engineering Computers HERC Hercules HEX Hexadecimal HF High Frequency HFS Hierarchial File System HGA Hercules Graphics Adapter HGCP Hercules Graphics Card Plus HH Hour Half Height HIL Human Interface Link HIPPI High Performance Parallel Interface HLCO High Low Close Open HLDLC High Level Data Link Control HLL High Level Language HLLAPI High Level Language Application Programming Interface HLQ High Level Qualifier HLS Hue Lightness Saturation HLT Halt HMA High Memory Area Hub Management Architecture HMI Hub Management Interface HMOS High Density Metal Oxide Semiconductor High Speed Metal Oxide Semiconductor High performance Metal Oxide Semiconductor HOBBIT High Order BIT HP Hewlett-Packard HPC High-Performance Computing HPCC High-Performance Computing and Communications HPFS High Performance File System HPG Hewlett-Packard Graphics HPGL Hewlett-Packard Graphics Language HPI Hahn Popularity Index HPIB Hewlett-Packard Interface Bus HPPA Hewlett-Packard Precision Architecture HPPI High Performance Parallel Interface HRIS Human Resource Information System HRG High Resolution Graphics HRMS Human Resource Management System HS High Speed HSB Hue Saturation Brightness HSC High Speed Channel HSL Hue Saturation Lightness HSLC Health Sciences Libraries Consortium HSP High Speed Printer HST High Speed Technology HSV Hue Saturation Value HT Horizontal Tab HUT Hopkins Ultraviolet Telescope H/V Horizontal/Vertical HVP Horizontal & Vertical Position H/W Hardware HWCP Hardware Code Page HWD Height-Width-Depth HYDRA HYbrid Document Reproduction Apparatus HZ Hertz IAB Internet Activities Board IAC InterApplication Communication IAL International Algebraic Language IAS Information Access Services IAYF Information At Your Fingertips IBC Instrument Bus Computer IBECC International BBSing and Electronic Communications Conference IBM International Business Machines IBM-GL IBM Graphics Language IC Input Circuit Integrated Circuit Interrupt Controller ICA Intra-application Communications Area ICAS Intel Communicating Applications Specifications ICCP Institute for the Certification of Computer Professionals ICE In-Circuit Emulator ICFA International Computer Facsimile Association ICL Interface Clear ICMP Internet Control Message Protocol ICOMP Intel COmparative Microprocessor Performance ICP Integrated Channel Processor ICR Intelligent Character Recognition ID Identification Identifier IDA Integrated Digital Access Intelligent Disk Array Intelligent Drive Array IDAPI Integrated Database API IDC International Data Corp. IDE Imbedded Drive Electronics Integrated Development Environment Integrated Drive Electronics Intelligent Drive Electronics Interactive Design and Engineering Interface Design Enhancement IDF Intermediate Distributing Force IDG InterDialog Gap IDIV Integer Divide IDMS Integrated Data Base Management System IDP Integrated Data Processing Internetwork Datagram Protocol IDT Interrupt Descriptor Table IEC International Electrotechnical Commission IEEE Institute of Electrical and Electronics Engineers IEF Information Engineering Facility IETF Internet Engineering Task Force IEW Information Engineering Workbench I/F Interface IF Intermediate Frequency IFD Image File Directory IFF Interchange File Format IFG InterFrame Gap IFIG International Federation of Information Processing IFS Installable File System IGA Integrated Graphics Array IGC Integrated Graphics Controller IGES Initial Graphics Exchange Specification IHL Internet Header Length IIA Industry Information Association Information Industry Association Information Interchange Architecture IIF Immediate IF IIL Integrated Injection Logic IIR Immediate Impulse Response ILD Injection Laser Diode ILM Industrial Light and Magic IM Information Management IMA Interactive Multimedia Association IMDS Image Data Stream IMG Image IMP Interface Message Processor IMS Information Management System Intermediate Maintenance Standards IMSL International Mathematical Subroutine Library IMUL Integer Multiply IN Input INC Increment INIT Initialize INN ImagiNation Network INS Input String INT Integer Internal Interrupt INTA Interrupt Acknowledge INTAP INteroperability Technology Association for information Processing INTELSATINternational TELecommunications SATellite INTERCALCompiler Language With No Pronouncable Acronym INTO Interrupt if Overflow occurs I/O Input/Output IOCS Input/Output Control System IOCTL Input/Output Control IOSGA Input/Output Support Gate Array IP Instruction Pointer Internet Protocol IPC Instructions Per Clock Interprocess Communication IPE Integrated Programming Environment IPF Information Presentation Facility IPI Intelligent Peripheral Interface IPL Initial Program Load Initial Program Loader Information Programming Language IPM Impossible to Program Machines IPS Inches Per Second IPSE Intel Personal SuperComputer IPSE Integrated Project Support Environment IPU Intelligent Processing Unit IPX Internetwork Packet eXchange IQL Interactive Query Language IR Internet Router IRC Internet Relay Chat IRDS Information Resource Directory System IRET Interrupt Return IRG InterRecord Gap IRL Interactive Reader Language Inter-Repeater Link IRLED Infrared Light Emitting Diode IRM Information Resource Management IRQ Interrupt Request IRX Information Retrieval Experiment IS Interrupt Status Information Systems International Standard Intermediate System ISA Industry Standard Architecture ISAM Indexed Sequential-Access Method ISC Instruction Set Computer ISD Image Section Descriptor Instructional Systems Design ISDN Integrated Services Digital Network ISI Internally Specified Index IS-IS Intermediate System to Intermediate System ISL Interactive System Language ISN Initial Sequence Number ISO International Standards Organization ISODE ISO Development Environment ISP Interrupt Status Port Internet Service Provider ISPF Interactive System Programming Facility ISR Information Storage and Retrieval Interrupt Service Routines ISV Independent Software Vendor IT Information Technology ITAA Information Technology Association of America ITB Information Technology Branch Intermediate Text Block ITC International Typeface Corporation ITI Industrial Technology Institute ITS Incompatible Time-sharing System IT&T International Telephone and Telegraph ITT Invitation To Transmit ITU International Telecommunication Union ITX Intermediate Text Block IV Interactive Video Interrupt Vector IVD Interactive Video Disc IVIS Interactive Video Information System IVR Interactive Voice Response IVS Interactive Videodisk System IVT Interrupt Vector Table IV&V Independent Verification & Validation IWU Intermediate Working Unit IXC IntereXchange Carrier JA Jump Address Jump if Above JAD Joint Application Development JAE Jump if Above or Equal JANET Joint Acedemic NETwork JBE Jump if Below or Equal JBIG Joint Bi-level Image Group JC Jump if Carry set JCL Job Control Language JE Jump if Equal JEDEC Joint Electronic Devices Engineering Council JEIDA Japanese Electronics Industry Development Association JES Job Entry System Job Entry Subsystem JFIF JPEG File Interchange Format JG Jump if Greater JGE Jump if Greater or Equal JIS Japanese Industrial Standard JL Jump if Less JLE Jump if Less than or Equal to JMP Jump JNA Jump if Not Above JNAE Jump if Not Above or Equal JNB Jump if Not Below JNBE Jump if Not Below or Equal JNG Jump if Not Greater JNGE Jump if Not Greater or Equal JNLE Jump if Not Less or Equal JNO Jump if No Overflow JNP Jump if No Parity JNS Jump if No Sign JNZ Jump if Not Zero JPE Jump if Parity Even JPEG Joint Photographic Experts Group JPL Jet Propulsion Laboratory JPO Jump if Parity Odd JS Jump if Sign JUGHEAD Jonzy's Universal Gopher Hierarchy Excavation And Display JZ Jump if Zero K Kilobyte KB Keyboard Kilobyte KBD Keyboard KBPS KiloBits Per Second KiloBytes Per Second Kbyte Kilobyte KDT Key Definition Table KERMIT Kl-10 Error-free Reciprocal Micro Interconnect over Tty lines KEYB Keyboard KEYBBE Foreign language KEYBoard program - Belgium KEYBCF Foreign language KEYBoard program - Canadian-French KEYBDF Foreign language KEYBoard program - Denmark KEYBFR Foreign language KEYBoard program - France KEYBGR Foreign language KEYBoard program - Germany KEYBLA Foreign language KEYBoard program - Latin America KEYBNL Foreign language KEYBoard program - Netherlands KEYBNO Foreign language KEYBoard program - Norway KEYBPO Foreign language KEYBoard program - Portugal KEYBSF Foreign language KEYBoard program - Swiss-French KEYBSG Foreign language KEYBoard program - Swiss-German KEYBSP Foreign language KEYBoard program - Spain KEYBSU Foreign language KEYBoard program - Finland KEYBSV Foreign language KEYBoard program - Sweden KEYBUK Foreign language KEYBoard program - United Kingdom KHz Kilo Hertz KIPS Thousands of Instructions Per Second K&R brian Kernighan and dennis Ritchie KRS Knowledge Retrieval System KSDS Keyed Sequence DataSet KSR Keyboard Send Receive LADDR LAyered Device Driver aRchitecture LALL Longest Allowed Lobe Length LAN Local Area Network LAP Link Access Protocol LAPB Link Access Procedure Balanced Link Access Procedure Binary LAPD Link Access Procedure Direct LAP Digital LAPM Link Access Procedure for Modems LAPS LAN Adapter and Protocol Support LAR Load Access Rights LASER Light Amplified and Stimulated by Emission of Radiation LAT Local Area Transport LATA Local Access and Transport Area LAWN Local Area Wireless Network LBL Label LBR Librarian LBRV Low Bit Rate Voice LBT Listen Before Talk LC Low cost Color LCC Leadless Chip Carrier Leaded Chip Carrier LCD Liquid Crystal Display LCS Liquid Crystal Shutter LCU Last Cluster Used LDA Logical Device Address LDC Lotus Development Corporation LDT Local Descriptor Table LE Less or Equal LEA Load Effective Address LED Light Emitting Diode LEM Language Extension Module LEN Low Entry Networking LER Light Emitting Resistor LERP Linear Interpolatior LEX Lexicon LF Line Feed Low Frequency LFI Last File Indicator LFU Least Frequently Used LGDT Load Global Descriptor Table LIAR LIAR Imitates Apply Recursively LICS Lotus International Character Set LIDT Load Interrupt Descriptor Table LIF Low Insertion Force LIFO Last In First Out LIM Lotus/Intel/Microsoft LIMS Library Information Management System LIPS Logical Interferences Per Second LIPX Large IPX LISP List Processing LISTSERVList Server LLAP Localtalk LAP LLC Logical Link Control LLCC LeadLess Chip Carier LLDT Load Local Descriptor Table LMI Local Management Interface LMOS Loop Maintenance Operating System LMSW Load Machine Status Word LM/X LAN Manager for Unix LN Logarithm Natural Load Number LOC Loop On-Line Control LODSB Load String Byte LOG Logarithm LOOPE Loop while Equal LOOPNE Loop while Not Equal LOOPNZ Loop while Not Zero LOOPZ Loop while Zero LORE Line Oriented Editor LPD Line Printer Daemon LPI Lines Per Inch LPL Lotus Programming Language LPM Lines Per Minute LPN Logical Page Number LPT Line PrinTer LQ Letter Quality LRC Local Register Cache Longitudinal Redundancy Check LRL Least Recently Loaded LRU Least Recently Used LSA Line Sharing Adapter LSAPI License Services API LSB Least Significant Bit Least Significant Byte LSC Least Significant Character LSD Least Significant Digit LSH Left SHift LSI Large Scale Integration LSL Load Segment Limit Link Support Layer LSP Light Speed Pascal LST List LT Less Than LTR Letter Load Task Register LU Logical Unit LUN Logical Unit Number LUT Lookup Table LZ abraham Lempel, jacob Ziv Landing Zone LZH Lempel Ziv Haruyasu LZW Lempel-Ziv-Walsh abraham Lempel, jacob Ziv, Welch M Mega MAC Medium Access Control MAD Mirage Application Development MAN Manual Metropolitan Area Network MAP Maintenance Analysis Procedures Manufacturing Automation Protocol Memory Allocation Map MAPI Mail API MAPICS Manufacturing, Accounting and Production Information Control System MAPPER MAintaining, Preparing, and Processing Executive Reports MASM Macro Assembler MAU Media Access Unit Multistation Access Unit Media Attachment Unit MAX Maximum MB Megabyte MBASIC Microsoft BASIC MBPS Megabytes Per Second MegaBits Per Second MBR Master Boot Record MCA Micro Channel Architecture MCB Memory Control Block MCGA Multicolor Graphics Array MCI Media Control Interface MCP Master Control Program MCU Multi-Chip Unit MD Make Directory Monochrome Display MDA Monochrome Display Adapter MDB Master DataBase MDBS Mobile DataBase Station MDFAT Microsoft Doublespace File Allocation Table MDI Multiple Document Interface MDIC Manchester Decoder and Interface Chip MDR Minimum Design Requirement MDY Month Day Year MEB Memory Expansion Board MEG Megabyte MESI Modified Exclusive Shared Invalid MET Memory Enhancement Technology MF Medium Frequency Multi-Frequency More Fragments MFC Microsoft Foundation Class MFLOPS Million Floating Point Operations Per Second MFM Modified Frequency Modulation MFP Multifunction Peripheral MFS Magnetic Tape Field Search Macintosh File System MFT Multiprogramming with a Fixed number of Tasks MFTL My Favorite Toy Language MGA Monochrome Graphics Adapter Multimedia Graphics Architecture MGI Management Graphics Inc. MGR Manager MH Message Handler MHS Message Handling Service Message Handling System MHz Megahertz MIB Management Information Base MICR Magnetic Ink Character Recognition MICS Macro Interpretive Commands MIDI Musical Instrument Digital Interface MIF Management Information Format MII Microsoft/IBM/Intel MIL Machine Interface Layer MIMD Multiple Instruction Multiple Data MIME Multipurpose Internet Mail Extensions MIN Minimum MIPS Million Instructions Per Second MIS Management Information System Manager of Information Systems MISC Miscellaneous MIT Massachusetts Institute of Technology MIX Member Information Exchange MKDIR Make Directory ML Machine Language MLID Multiple Link Interface Driver MLL Medium Level Language MM Minutes Month Multiple Master MMA Microcomputer Managers Association MMC Matched Memory Cycle Microcomputer Marketing Council MMCD Multimedia Compact Disk MMCF MultiMedia Communications Forum MME MultiMedia Extentions MMI Man Machine Interface MMU Memory Management Unit MNOS Metal Nitride Oxide Semiconductor MNP Microcom Networking Protocol MO Magneto-Optical MOD MODulo MODEM Modulator Demodulator MOHLL Machine Oriented High Level Language MOP Maintenance Operation Protocol MOS Metal Oxide Semiconductor MOSFET Metal Oxide Semiconductor Field Effect Transistor MOTIS Message Oriented Text Interchange System MOV Metal Oxide Varistor Move MOVS Move String MOD Modem Modulus MOS Metal Oxide Semiconductor MOSFET Metal Oxide Semiconductor Field Effect Transistor MOV Move MOVS Move String MPC Multimedia Personal Computer MPCS Mission Planning and Control Station MPE MultiProgramming Executive MPEG Moving Picture Experts Group MPP Massively Parallel Processing Message Processing Program MPR Multipart Repeater MPS Megabytes Per Second MPT Mean Repair Time MPU Microprocessor Unit MPW Macintosh Programmer's Workshop MR Modem Ready MRI Magnetic Resonance Imaging MRO Multi-Region Operation MRP Materials Requirement Planning MRPL Main Ring Path Length MRS Media Recognition System MS Memory System Microsecond MicroSoft Millisecond MSAU Multi Station Access Unit MSB Most Significant Bit Most Significant Byte MSC MicroSoft C MSCDEX MicroSoft CD-ROM eXtensions MSD Mass Storage Device Most Significant Digit Microsoft System Diagnostics MS-DOS Microsoft-Disk Operating System MSDR Multiplexed Streaming Data Request MSG Message MSI Medium Scale Integration MSL Map Specification Library Mirrored Server Link MS-NET MicroSoft Network MSRCI MicroSoft Real-time Compression Interface MSW Machine Status Word MTA Message Transfer Agent Multiple Terminal Access Mail Transfer Agent MTBB Mean Time Between Breakdowns MTBF Mean Time Before Failure Mean Time Between Failures MTBJ Mean Time Between Jams MTC MIDI Time Code MTS Message Transfer Service Multichannel Television Sound Modular Television System MECC Timeshare System MTTF Mean Time To Failure MTTR Mean Time To Repair MUD Multiple User Domain Multiple User Dungeon Multiple User Dimension MUL Multiply MULTICS MULTiplexed Information and Computing Service MUMPS Massachusetts Utility Multi-Programming System MUNG Mash Until No Good MUSH Mail User's SHell MUX Multiplexer MVDM Multiple Virtual DOS Machine MVGA Monochrome Video Graphics Array MVS Multiple Virtual Storage MVT Multiprogramming with a Variable number of Tasks NACCB National Association of Computer Consultant Businesses NACD National Association of Computer Dealers NACS National Advisory Committee on Semiconductors Novell Asynchronous Communications Server NAE Not Above or Equal NAK Negative Acknowledgment NAPLPS North American Presentation Level Protocol Syntax NAS Network Application Support Network Access Support NASA National Aeronautics and Space Administration NASI NetWare Asynchronous Services Interface NAU Network Access Unit Network Addressable Unit NAUN Nearest Active Upstream Neighbor NAV Norton AntiVirus NAVNEWS Navy News Service NBE Not Below or Equal NBI Nothing But Initials NBP Name Binding Protocol NBS National Bureau of Standards NC No Carry Numerical Control NCA Network Communications Adapter National Computer Associates NCB Network Control Block NCC Network Control Center NCGA National Computer Graphics Association NCIC National Crime Information Center NCLIS National Commission on Libraries and Information Services NCMT Numerical Control for Machine Tools NCP Network Control Processor Network Control Program Not Copy Protected Network Core Protocols NCR National Cash Register NCS Network Computing System NCSA National Computer Security Association NCSC National Computer Security Center NCSI Network Communications Services Interface NDA Non Disclosure Agreement NDEF Not to be Defined NDIS Network Driver Interface Specification NDMS Netware Distributed Management System NDP Numeric Data Processor Netware Directory Service NDRO Non-Destructive Read Out NDW Norton Desktop for Windows NE Not Equal NEAT New Enhanced AT NEC Nippon Electric Company NEG Negative Negate NESP National Education Supercomputing Program NetBEUI NetBIOS Extended User Interface NetBIOS Network Basic Input/Output System NEWS NetWare Early Warning System Network Extensible Window System NEtwork Window System NFF No Fault Found NFS Network File System NG No Good NGE Not Greater or Equal NGM Netware Global Messaging NHC National Hurricane Center NI Non Interlaced NIC Network Interface Card Numeric Intensive Computing Network Information Center NiCad Nickel-Cadmium NICOLAS Network Information Center On-Line Aid System NID New Interactive Display Next ID NII National Informational Infrastructure NiMH Nickel Metal-Hydride NIPS Network I/Os Per Second NIS Network Information System NISC Network Information Systems Center N-ISDN Narrowband ISDN NISO National Information Standards Organization NIST National Institute for Standards and Technology NJE Network Job Entry NL New Line NLE Not Less or Equal NLM Netware Loadable Module NLQ Near Letter Quality NMI Non-Maskable Interrupt NMOS Negative Channel Metal-Oxide Semiconductor NMS Network Management System NNI Network to Network Interface NNS Netware Name Service NNTP Network News Transfer Protocol NOP No Operation NOR Not Or NOS Network Operating System NPA Numeral Prefix Allocation NPAP Network Printing Alliance Protocol NPI Network Printer Interface NRAM Non-voatile Read Only Memory NREN National Research and Education Network NRM Normal Response Mode NROFF Non typesetting RunOFF NRZ Not Return to Zero NRZI Non Return to Zero Inverted NRZL NRZ Level NS Nanosecond Network Supervisor Non Stop NSA National Security Agency NSA POLYNational Security Agency Polygraph NSF National Science Foundation NSR Non-Sequential Recording NSTL National Software Testing Laboratory NT New Technology Network Terminus NTF No Trouble Found NTFS NT File System NTIS National Technical Information System NTP Network Time Protocol NTSA Networking Technical Support Alliance NTSC National Television Standards Committee NTT Nippon Telephone and Telegraph NUA Network User Address NUI Network User Identification Network User Interface Notebook User Interface Netware Users International Network User Identifier NUL Null NURBS Non-Uniform Rational B-Splines NV No Overflow NVE Network Visible Entry NVM Non-Volatile Memory NVRAM Non-Volatile Random Access Memory NVTS Network Virtual Terminal Serivce NYACC New York Amateur Computer Club NZ Non Zero OA Office Automation OADG Open Architecture Development Group OAG Official Airline Guide OAI Open Applications Interface OBJ Object OBV/2 Oblivion/2 OCE Open Collaboration Environment OCL Operation Control Language Operator Control Language OCR Optical Character Recognition ODA Office Document Architecture ODBC Open DataBase Connectivity ODBMS Object-Oriented Database Management System ODI Open Datalink Interface Optical Data Image ODT Open DeskTop OEM Original Equipment Manufacturer OF Overflow Flag OFMT Output Format for Numbers OFS Output Field Separator OH Off Hook OHCS Operated Handled Conference Service OIS Office Information Systems OLE Object Linking and Embedding OLMC Output Logic Macrocell OLTP On-Line Transaction Processing OMF Object Module Format OMG Object Management Group OMNS Open Network Management System OMR Optical Mark Recognition ONA Open Network Architecture ONC Open Network Computing ONP Open Network Provision OO Object Orientation OODBMS Object Oriented DBMS OOL Object-Oriented Language OOP Object Oriented Programming OOPL Object-Oriented Programming Language OOPS Object Oriented Programming System OOPSLA OOPS Languages and Applications OOS Object-Oriented Systems Off-line Operating Simulator OP Operation Optical Output OPC Optical Photoconductor OP CODE Operational Code OPD Operand OPI Open Prepress Interface OPM Operations Per Minute OPS Operations ORB Object Request Broker OPUS Octal Program Updating System ORACLE On-Line Inquiry and Report Generator OROM Optical ROM ORS Output Record Separator OS Operating System Output Spy OSA Open System Architecture OS/E Operating System/Environment OSF Open Software Foundation OSI Open Systems Interconnection OSP Optical Storage Processor OSPF Open Shortest Path First OTF Open Token Foundation OTIS Operative Work Is Stimulate OTP One-Time Programmable OTROM One Time PROM OURS Open Users Recommend Solutions OUTS Output String OV Overflow OWL Object Windows Library PABX Private Automatic Branch Exchange PAD Packet Assembler/Disassembler Public Access Device PADS Pen Application Development System PAL Paradox Applications Language Phase Alternating Line Programmed Array Logic Programming Assembly Language Programmable Array Logic PALS Principles of the Alphabet Literacy System PAM Pulse Amplification Modulation PAP Printer Access Protocol PAR Parallel PARA Paragraph PARC Palo Alto Research Center PAX Parallel Architecture eXtended Private Automatic eXchange PBD Programmer Brain Damage PBE Prompt By Example PBS Public Brand Software PBX Private Branch Exchange PC Personal Computer Printed Circuit Program Counter PCB Printed Circuit Board Program Control Block PCBoard PC-DOS Personal Computer - Disk Operating System PCD Photo CD PCF Physical Control Fields PCI Peripheral Component Interconnect PC-I/O Program Controlled I/O PCL Printer Command Language Process Control Language Printer Control Language PCM Pulse Code Modulation PCMCIA Personal Computer Memory Card International Association PCMS Precision Color Management System PCR Post Call Ratio PCS Patchable Control Store Planning Control Sheet Print Contrast Signal Process Control Systems Program Counter Store Project Control System Personal Communications Service PCSA Personal Computer System Architecture PCTE Portable Common Tool Environment PD Public Domain PDA Personal Digital Assistant PDES Personal Data Exchange Specification PDF Program Development Facility Portable Document Format PDIP Plastic DIP PDL Page Description Language Program Description Language Program Design Language Push Down List PDN Public Data Network PDO Portable Distributed Objects PDP Progammable Data Processor Programmed Data Processor PDS Partitioned Data Set Processor Direct Solt PDSS Post Development and Software Support PDU Protocol Data Unit PE Parity Even Protect Enable Phase Encoding Processing Element PEA Pocket Ethernet Adapter PEL Picture Element PEP Packetized Ensemble Protocol PERL Practical Extraction and Report Language PEP Packet Exchange Protocol PERT Program Evaluation and Review Technique PES Positioning Error Signal PET Personal Electronic Transfer PETSCII PET aSCII P/F Poll/Final bit PFR Power-Fail Restart PGA Pin Grid Array Professional Graphics Adapter Programmable Gate Array PGDN Page Down PGM Program PGP Pritty Good Privacy PGUP Page Up PHIGS Programmers' Hierarchial Interactive Graphics Standards PI Program Interruption PIA Peripheral Interface Adapter PIC Priority Interrupt Controller Program Interrupt Controller PID Process Identification Number PIF Program Information File PILOT Programmed Inquiry Learning Or Teaching PIM Personal Information Manager PIN Personal Identification Number PING Packet INternet Groper PIO Parallel Input/Output Processor Input/Output Programmed Input/Output PIP Picture In Picture Programmable Interconnect Point Peripheral Interchange Program PIPO Parallel In, Parallel Out PIT Programmable Interval Timer PIXEL Picture Element PJL Printer Job Language PK Phil Katz PL Plus PLA Programmable Logic-Array PLATO Programmed Logic for Automatic Teaching Operations PLC Programmable Logic Controller PLCC Plastic Leadless Chip Carrier PLD Programmable Logic Device PLL Phase Locked Loop PL/M Programming Language for Micros PLOTKA Press Lots Of Keys To Abort PLP Presentation Level Protocol PLU Primary Logical Unit PLV Production Level Video PL/1 Programming Language One PM Presentation Manager Preventative Maintenance Program Manager Project Manager PMD Physical Merory Dependent PMMU Paged Memory Management Unit PMOS Positive Channel Metal Oxide Semiconductor PMS Pantone Matching System PNP Plug aNd Play PO Parity Odd POD Piece Of Data Prince Of Darkness POL Problem Oriented Language POM Phase Of Moon POP Pop from Stack Point Of Presence Post Office Protocol POPA Pop All Registers POPF Pop Flags POS Point Of Sale Positive Programmable Object Select POSIX Portable Oprating System Environment Standard Portable Operating System Interface eXtensions POST Power-On Self Test POSTNET Postal Numeric Encoding Technique POTS Plain Old Telephone System PPD Postscript Printer Description PPDS Personal Printer Data Stream PPH Pages Per Hour PPM Pages Per Minute PPN Project-Programmer Number PPP Point to Point Protocol PPS Packets Per Second PQFP Plastic Quad Flat Pack PRAM Programmable RAM Parameter RAM PRI Primary Rate Interface PRMD PRivate Management Domains PROC Procedure PROFS PRofessional OFfice Systems PROG Program Programmer PROLOG Programming In Logic PROM Programmable Read Only Memory PRN Printer PPE PCboard Programming Extension PPL PCboard Programming Language PPP Point-to-Point Protocol PRTSC Print Screen PS PostScript Personal Services PicoSecond Personal System Programming System PSC Product Service Center PSDN Packet Switched Data Network PSDS Public Switched Digital Service PSH PuSH PSK Phase Shift Keying PSL Public Software Library PSN Packet Switching Network PSP Program Segment Prefix PSRAM Pseudo-Static Random Access Memory PSTN Public Switched Telephone Network PSW Program Status Word PT Page Table PoinT P/T Part Time PTD Parallel Transfer Disk Drive PTT Postal Telephone and Telegraph PTY Pseudo-TTY PU Physical Unit PUB Publication Publish PUC Public Utilities Company PUMA Programmable Universal Micro Accelerator PUSHA Push All Registers PUSHF Push Flags PVC PolyVinyl Chloride Permanent Virtual Circuit PVM Pass-through Virtual Machine PWB Printed Wire Board PWI Public Windows Interface PWR Power QA Quality Assurance QAM Quadrature Amplitude Modulation QBE Query By Example QBF Query by Form QC Quality Control QDOS Quick and Dirty Operating System QEMM Quarterdeck Expanded Memory Manager QFA Quick File Access QFP Quad Flat Pack QIC Quality Information Using Cycle Time Quarter-Inch Cartridge QLLC Qualified Logical Link Control QMS Quality Micro Systems QPSK Quadrature Phase Shift Keying QUERRI Questions on University Extension Regional Resource Information RA Return Authorization RACF Resource Access Control Facility RAG Row Address Generator RAID Redundant Arrays of Inexpensive Disks RALU Register Arithmetic Logic Unit RAM Random Access Memory RAMDAC Random Access Memory Digital-to-Analog Converter RAND Random RARP Reverse Address Resolution Protocol RAS Random Access Storage Reliability, Availability and Serviceability Row Address Select Remote Access Services RBBS Remote Bulletin Board System RBHC Regional Bell Holding Company RBOC Regional Bell Operating Company RC Run Command RCA Radio Corporation of America RCL Rotate Carry Left RCP Restore Cursor Position RCR Rotate Carry Right RCS Records Communications Switching System RCU Rack Controller Unit RD Receive Data Received Data Remove Directory R&D Research and Development RDA Remote Database Access RDB Receive Data Buffer RDB Relational Data Base RDBMS Relational DataBase Management System RDCLK Received Timing Clock RDS Random Dot Stereogram RDSR Receiver Data Service Request RE Regular Expression REG Register REGAL Rigid Epoxy Glass Acrylic Laminate REGEP Regular Expression REGEX Regular Expression REM Remark Remote Ring Error Monitor RET Resolution Enhancement Technology RFC Request For Comment RS Record Separator REN Rename Ringer Equivalence Number REP Repeat REPE Repeat while Equal REPNE Repeat while Not Equal REPNZ Repeat while Not Zero REPZ Repeat while Zero REQ Request RES Reset Resolution RET Resolution Enhancement Technology Return RETCON RETroactive CONtinuity REX Relocatable Executable REXX Restructured EXtended eXecutor RELSECT Relative Sector RF Radio Frequency RFC Request For Comment RFE Request For Enhancement Radio Free Ethernet RFI Radio Frequency Interference Request For Information RFP Request for Proposal RFS Remote File System RFT Revisable Form Text RFU Reserved For Future Use RG Renegade RGB Red-Green-Blue RI Referential Integrity RIB Renderman Interface Bytestream RIFF Resource Interschange File Format RIME RelayNet International Message Exchange RIP Raster Image Processor Routing Information Protocol Remote Imaging Protocol RISC Reduced Instruction Set Computing RJE Remote Job Entry RLE Run Length Encoded RLG Research Libraries Group RLL Run Length Limited RMON Remote MONitor ROM Read Only Memory ROSE Remote Operation Service Element RPC Remote Procedure Calling RPG Report Program Generator RePort Generator Role Playing Game RPL Remote Procedure Load RPM Revolutions Per Minute RPN Reverse Polish Notation RQBE Relational QBE RR Receiver Ready RSA ron Rivest, adi Shamir, len Adleman RSCS Remote Spooling Communications Subsystem RSH Remote SHell RSI Repetitive Strain Injury RST ReSeT RTC Real-Time Clock Return To Control RTF Rich Text Format RTI Return From Interrupt RTMP Routing Table Maintenance Protocol RTS Request To Send Ready To Send RTSE Reliable Transfer Serivce Element RTTY Radio Teletypewriter RTV Real Time Video R/W Read/Write RWM Read-Write Memory RX Receiver RXD Received Data RZ Return To Zero SAA Systems Application Architecture SAIL Stanford AI Lab SAINT Symbolic Automatic Integrator SAL Shift Arithmetic Left SAM Serial Access Memory Sequential Access Method Symantic Antivirus for Macintosh SANE Standard Apple Numeric Environment SAP Secondary Audio Program Service Access Point Symbolic Assembly Program Service Advertising Protocol SAR Shift Arithmetic Right Successive Approximation Register SAS Sales Accounting System Single Audio System Statistical Analysis System Statistically Assigned Sockets Single Attached Station SASI Shugart Associates System Interface SB SoundBlaster SBB Subtract With Borrow SBC Single-Board Computer SBIS Sustaining Base Infotmation System SCAS Scan String SCB Subsystem Control Block SCC Serial Communications Controllers Synchronous Channel Check SCCS Source Code Control System SCD Standard Color Display SCF System Control Facility SCM Software Configuration Management SCO Santa Cruz Operation SCODL Scan Conversion Object Description Language SCP Save Cursor Position Subsystem Control Port System Control Program SCR Silicon Controlled Rectifier SCRN Screen SCS SNA Character String SCSI Small Computer Systems Interface SD Send Data Start Delimiter SDA Software Disk Array Source Data Automation System Display Architecture SDI Switched Digital International SDLC Synchronous Data Link Control SDK Software Developer's Kit Software Development Kit SDLC Synchronous Data Link Control SDLP Standard Device Level Protocol SDN Software Defined Network SDNS Secure Data Network Service SDP Streaming Data Procedure SDR Streaming Data Request SDS Sysops Distribution System SD_STB Streaming Data Strobe SEA Standard Extended Attribute System Enhancement Associates SEAC Standard Eastern Automating Computing SEC Single Error Correction SECAM Sequential Color And Memory SEquential Couleur A Memoire SED Stream Editor Smoke Emitting Diode SEF Source Explicit Forwarding SEG Segment SEL Select SEM Scanning Electron Microscope Standard Electronic Module SER Serial SEU Smallest Executable Unit SEX Software EXchange Sign EXtend SF Sign Flag SFD Start of Frame Delimiter SFLA Stupid Four Little Acronyms SFQL Structured Full-text Query Language SFT System Fault Tolerance System File Table SFX Sound Effect SGEN Signal Generator System Generator SGDT Store Global Descriptor Table SGI Silicon Graphics, Inc. SGML Standard Generalized Markup Language SGR Set Graphics Rendition S/H Sample and Hold SHL Shift Logical Left SHR Shift Logical Right SI Source Index System Information Shift-In System International SID Station Identification Source IDentifier SIDT Store Interrupt Descriptor Table SIG Special Interest Group SIGCAT Special Interest Group on CD-ROM Applications and Technology SIM Simulator Society for Information Management SIMD Single Instruction Multiple Data SIMM Single In-line Memory Module System Integrated Memory Module SIMULA Simulation SIP Single In-line Package Service Identification Packet SIPO Serial In, Parallel Out SIPP Single In-line Pin Package SIRDS Single Image RDS SISD Single Instruction Single Data SISO Serial In, Serial Out SIT Special Information Tones SLDT Store Local Descriptor Table SLED Single Large Expensive Disk SLIP Serial Line Internet Protocol Serial Line Interface Protocol SLMR Silly Little Mail Reader SLOSH Sea, Lake and Overland Surge from Hurricane SLSI Super Large-Scale Integration SLU Secondary Logical Unit SM Set Mode SMA Software Maintenance Association SMART Simply Making All Resources Tiny SMB Server Message Block SMC Standard MicroSystems Corp. SMD Surface Mounted Device Storage Module Device SMDS Switched Multimegabit Data Service SMF Super MetaFile Standard Message Format SMI System Management Interrupts Simple Mail Interface SMIF Standard Mechanical Interface SMK Software Migration Kit SMM System Management Mode System Management Module SMOP Simple Matter Of Progamming Small Matter Of Progamming SMP Symbolic Manipulation Program Symmetric MultiProcessing Simple Management Protocol SMPS Switching Mode Power Supply SMPT Society of Motion Picture and Television Engineers SMS Storage Management Services SMSW Store Machine Status Word SMT Surface-Mount Technology Station ManagemenT SMTP Simple Mail Transfer Protocol SMU System Management Utility SN Serial Number S/N Signal-to-Noise SNA Systems Network Architecture SNADS SNA Distributed Services SNAP Sub Network Access Protocol SND Sound SNF Server Natural Format SNMP Simple Network Management Protocol SNOBOL String Oriented Symbolic Language SNP Serial Number/Password SNR Signal-to-Noise Ratio SO Shift-Out SOAP Symbolic Optimizing Assembler Program SOE Standard Operating Environment SOH Start of Heading Start of Header SOHO Small Office Home Office SOL Simulation Oriented Language SOM Start of Message System Object Model SONET Synchronous Optical NETwork SOP Standard Operating Procedures SOS Silicon On Sapphire Standards and Open Systems Son Of Stopgap Support On Site Sophisticated Operating System SOTA State Of The Art SOTS Slap On The Side SP Stack Pointer System Product SPA Software Publishers Association SPAG Standard Promotion and Applications Group SPARC Scalable Processor Architecture SPC Small Peripheral Controller Statistical Process Control Software Publishing Corp. Software Productivity Consortium SPCL Spectrum Cellular Corporation SPEC Standards Performance Evaluation Corp. SPF System Programming Facility SPI Software Patent Institute Service Provider Interface SPICE Simulator Program for Integrated Circuit Emulation SPIKE Science Planning Intelligent Knowledge-Based Environment SPL Spooler Systems Programing Language Set Priority Level SPOOL Simultaneous Peripheral Operations OffLine SPP Sequenced Packet Protocol SPS Standby Power System SPSS Statistical Package for the Social Sciences SPT Sectors Per Track SPX Sequenced Packet eXchange SQ Squeezed SQE Signal Quality Error SQL Structured Query Language SQRT Square Root SQUID Superconducting QUantum Interface Device SR Shift Register SRAM Shadow Random Access Memory Static Random Access Memory SRI Standard Research Institute SRO Sharable and Read Only SRQ Service Request SRR Serially Reusable Resource SRT Source Routing Transparent SS Stack Segment Single Sided Seconds Special Sequence SSAP System Services Access Point SSCP System Services Control Point SSD Solid State Disk SSEC Selective Sequence Electronic Calculator SSGA System Suppport Gate Array SSI Small Scale Integration SSP System Support Program SST Spread-Spectrum Technology STA Spanning Tree Algorithm STAIRS Storage And Information Retrieval System STARS Software Technology for Adaptable, Reliable Systems STB Strobe STC Set Carry Flag STD Set Direction Flag Standard State Transition Diagram STDA StreetTalk Directory Assistance STDAUX Standard Auxillary STDERR Standard Error STDIN Standard Input STDOUT Standard Output STDPRN Standard Printer STI Set Interrupt Flag STN Supertwist Nematic STOS Store String STP Signal Transfer Point Shielded Twisted Pair Software Through Pictures STR Store Task Register Synchronous Transmitter Receiver STRESS Structural Engineering System Solver STRUDL Structural Design Language STScI Space Telescope Science Institute STX Start of Text STY Sub-TTY SUB Subroutine Substitute Subtract S-VHS Super VHS SUM Symantec Utilities SUN Stanford University Network SVC Switched Virtual Circuit SVGA Super VGA SVID System V Interface Definition SVV Software Verification and Validation S/W Software ShareWare SWB SWap Byte SYLK Symbolic Link SYNC Synchronous SYN SYNchronous SYNchronize SYS System SYSGEN System Generator SYSLOG System Log SYSMOD System Modification SYSOP System Operator T Tera TAC Terminal Access Controller TAD Telephone Answering Device TAE Transportable Applications Environment TAPI Telephony API TAPCIS The Access Program for the CompuServe Information Service TAR Tape ARchiver TASM Turbo Assembler TAXI Transparent Asynchronous Tranceiver Interface TB Terabyte T/B Top and Bottom TBBS The Bread Board System TBPS TeraBytes Per Second TC Transmission Convergence Technical Committee TCAM Telecommunications Access Method TCB Trouble Came Back Trusted Computer Base TCM Trellis-Coded Modulation Thermal Conduction Module TCP/IP Transmission Control Protocol/Internet Protocol TCSEC Trusted Computer System Evaluation Criteria TCU Transmission Control Unit TD Transmit Data 3D Three Dimensional 2D Two Dimensional TDE Terminal Display Editor TDI Trusted Database Interpretation TDM Time Division Multiplexing TDMS Terminal Display Management System TDMTLA Too Damned Many TLAs TDSR Transmitter Data Service Request TDR Time Domain Reflectometry TEC Tokyo Electronics Corporation TECHNET Technical Support for Educaion and Research TECO Text Editor and COrrector Tape Editor and COrrector TED Tiny Editor TELPAC Tube Engineering Panel Advisory Council TEML Turbo Editor Macro Language TENEX TEN EXecutive TERMPWR Terminator Power TFEL Thin-Film Electroluminescent TFP Tops Filing Protocol TFS Translucent File System TFT Thin-Film Transistor TFTP Trivial File Transfer Protocol TG Telegrad THOR Tandy High-Performance Optical Recording Tandy High-Intensity Optical Recorder THZ TeraHertZ TI Texas Instruments TIA Telecommunications Industry Association TIC TermInfo Compiler TID Target ID TIE Terminal Interface Equipment TIFF Tagged Image File Format TIGA Texas Instruments Graphics Architecture TIGER Topologically Integrated Geographic Encoding and Referencing TIP Terminal Interface Processor TIRIS Texas Instruments Registration and Identification System TIX Teachers Information eXchange TLA Three Letter Acronym TLAP Token ring Link Access Protocol TLB Translation Lookaside Buffer TLI Transport Level Interface TLU Table Lookup TM Trademark 3M Minnesota Mining and Manufacturing TMA Tycho Magnetic Anomaly TMP Temporary TMRC Tech Model Railroad Club TN Twisted Nematic TelNet TOF Top Of Form Top Of File TOI Transfer Of Information TOP Technical Office Protocol TOPS Transparent OPerating System TORES Text ORiented Editing System TOS Type Of Service TP Twisted Pair Transaction Processing TPA Transient Program Area TPC Transaction Processing Performance Council TPD Third Party Developers TPDU Transfer Protocol Data Unit TPI Tracks Per Inch TPL Table Producing Language TPORT Twisted Pair Port Transceiver TPS Transaction Processing System Transactions Per Second TR Terminal Ready TRADIC Transistorized Airborne Digital Computer TRANSPUTOR TRANSistor comPUTER TRIC The Rice Institute Computer TROFF Typesetting RunOFF TRON The Real-Time Operating System Nucleus TRS Tandy Radio Shack TRUC The Rice University Computer TRUSIX TRUSted unIX TRW Thompson, Ramo, and Woolridge TS Top Secret TSB Termination Status Block TSCB Time-Sharing Cookie Bear TSD Total System Design TSN The Sierra Network TSO Time Sharing Option TSOP Thin Small Outline Package TSP Time Synchronization Protocol Teleprocessing Services Program Traveling Salesman Problem TSR Terminate and Stay Resident TSS Task State Segment Time Sharing System Telecommunications Standardization Sector TS/SI Top Secret/Sensitive Information TSTN Triple Supertwisted Nematic TT True Type TTF True Type Font TTL Transistor-Transistor Logic Time To Live TTS Transaction Tracking System TTY Teletype TeleTYpewriter TTYL Talk To You Later TUI Text-Based User Interface TV TeleVision TVI Television Interference TWA Trans World Airlines TWAIN Toolkit Without An Important Name TWIP TwentIeth of a Point TWT Traveling Wave Tube TWX Teletypewriter Exchange Service TXD Transmitted Data TXT Text UA User Agent User Area User Account UAE Unrecoverable Application Error UAR USer Action Routine UART Universal Asynchronous Receiver/Transmitter U-B Ungermann-Bass UBA UniBus Adaptor UBD User Brain Damage UCL Universal Communications Language UCR Under Cover Removal UDF User Defined Function UDP User Datagram Protocol UEC User Environment Componant UG User Group UHF UltraHigh Frequency UI Unnumbered Information User Interface Unix International UIMS User Interface Management System UL Upload Universal Labs Underwriters Laboraties ULA Uncommitted Logic Array ULANA Unified LAN Architecture ULP Upper Layer Protocol ULSI Ultra Large Scale Integration UMA Upper Memory Area UMB Upper Memory Block UNC Universal Naming Convention UNCOL Universal Computed Oriented Language UNI User Network Interface UNICOM Universal Integrated Communication UNICOS Universal Compiler FORTRAN compatible UNICS UNiplex Information Computer Services UNIVAC Universal Automatic Computer UNMA Unified Network Management Architecture UPC Universal Product Code UPL User Program Language UPM User Profile Management UPS Uninterruptible Power Supply Uninterruptible Power System URG URGent US Unit Separator USART Universal Synchronous-Asynchronous Reciever/Transmitter USENET Users Network USERID User Identification USG Unix Support Group USL Unix Systems Laboratories USO Unix Software Operation USOC Universal Service Ordering Code USQ Unsqueezed USR US Robotics USRT Universal Synchronous Receiver/Transmitter USSA User Supported Software Association UT User Terminal UTC Coordinated Universal Time UTI Universal Text Interchange UTP Unshielded Twisted-Pair UTS Universal Timesharing System UUCP Unix-to-Unix CoPy UUI User-To-User Information UUO Un-Used Operation Unimplemented User Operation UV Ultraviolet UVEPROM UltraViolet EPROM VA Virtual Address VAB Voice Answer Block VAC Volts AC VAD Value Added Dealer VADD Value Added Disk Driver VAGI VESA Advanced Graphics Interface VAL Value Voice Application Language VAM Virtual Access Method VAN Value Added Network VAP Value Added Processes VAR Value Added Reseller Value Added Retailer Variable VAX Virtual Address Extension Virtual Architecture eXtensions VAXBI VAX Bus Interconnect VB Variable Block Visual BASIC VBA Visual BASIC for Applications VBE VGA BIOS Extensions VCI Virtual Channel Identifier VCM Voice Coil Motor VCO Voltage Controlled Oscillator VCPI Virtual Control Program Interface VCR Video Cassette Recorder VDE Verband Deutscher Elektrotechniker Visual Development Environment VDFM Virtual Disk File Manager VDI Virtual Device Interface Video Device Interface VDIFF Visual DIFFerence VDISK Virtual Disk VDL Vienna Definition Language VDM Virtual DOS Machine Virtual Device Metafile Video Display Metafile VDS Virtual DMA Services VDT Video Display Terminal VDU Video Display Unit Visual Display Unit VEGA Video-7 Enhanced Graphics Adapter VER Verify Version VERONICAVery Easy Rodent-Oriented Netwide Guide to Computerized Archives VERR Verify Read Access VERW Verify Write Access VESA Video Electronics Standards Association VF Video Floppy Video Frequency VFD Vacuum Fluorescent Display VFO Variable Frequency Oscillator VFW Video For Windows VGA Video Graphics Array VGC Video Graphics Controller VHD Very High Density VHF Very High Frequency VHLL Very High Level Language VHS Very High Speed Virtual Host Storage Video Home System VHSIC Very High Speed Integrated Circuit VI Visual Interface VIM Vendor Independent Messaging VIO Video Input/Output Virtual Input/Output VINES Virtual Network System VIP Variable Information Processing VIPER Verifiable Integrated Processor for Enhanced Reliability VIRUS Vital Information Resources Under Siege VIS Voice Information System VISCA VIdeo System Control Architecture VLB VESA Local Bus VLF Very Low Frequency VLIW Very Long Instruction Word VLM Virtual Loadable Modules VLMF Very Low Magnetic Field VLSI Very Large Scale Integration VLSIPS Very Large Scale Immobilized Polymer Synthesis VLT Variable List Table VM Virtual Machine Virtual Memory VMB Voice Mail Box VM/CMS Virtual Machine/Conversational Monitor System VMM Virtual Memory Manager VMOS Vertical MOS VMR Vertical Market Reseller VMS Virtual Memory System Voice Message System VMT Virtual Memory Technique VMTP Virtual Message Transaction Protocol VNA Virtual Network Architecture VOIS Voice Operated Information System VOL Volume VOM Volt Ohm Meter VOS Verbal Operating System VOX Voice Operated device VPC Virtual Processor Complex VPI Virtual Path Identifier VR Virtual Reality Voltage Regulator VRAM Video Random Access Memory VRC Virtual Redundancy Check VRM Virtual Resource Manager VROOMM Virtual Real-time Object Oriented Memory Manager VRU Voice Response Unit VS Virtual Storage VSAM Virtual Storage Access Method VSAT Very Small Aperture Terminal VSE Virtual Storage Extended VSF Vertical Scanning Frequency VSLI Very Large Scale Integration VSM Virtual Storage Management VSOS Virtual Storage Operating System VSX Verification Suite for X/open VSYNC Vertical Sync VT Vertical Tab Video Terminal Virtual Terminal V/2 ViSiON/2 VTAM Virtual Telecommunications Access Method Virtual Terminal Access Method VUE Visual User Environment VUI Video User Interface VUP VAX Unit of Performance V/X ViSiON/X W3 World Wide Web W4 What Works With What WABI Windows Application Binary Interface WAIS Wide Area Information Server WAITS Wide-Area Informtion Transfer System West coast Alternative to ITS WAN Wide Area Network WATS Wide Area Telecommunications Service WAV Windows Audio Video WC Word Count WildCat WD Western Digital Working Document WELL Whole Earth Lectronic Link WFW Windows For Workgroups WGS Work Group System WIMP Windows, Icons, Menus, Pointers WINGS Wide-bandwidth Information Network Gigabit Services WISC Wisconsin Integrally Synchronized Computer WMF Windows MetaFile WNIC Wide-Area Network Interface Co-Processor WNIM Wide-Area Network Interface Module W/O Without WOMBAT Waste Of Money, Brains, And Time WORM Write Once, Read Many WOSA Windows Open Services Architecture WP WordPerfect Word Processing Write Protected Word Processor WPD Windows Printer Description WPG WordPerfect Graphic WPHD Write-Protect Hard Disk WPI Worcester Polytechnic Institute WPM Words Per Minute WPS WorkPlace Shell Windows Printing System WS WordStar Workstation WSI Wafer Scale Integration WT Write Through WUGNET Windows Users Group NETwork WWW World Wide Web WYSBYGI What You See Before You Get It WYSIWIS What You See Is What I See WYSIWYG What You See Is What You Get XA Extended Architecture Extended Attribute XAPIA X.400 Application Program Interface Association XCF eXperimental Computing Facility XCHG Exchange XCMD External Command XDR External Data Representation XFCN External Function XGA Extended Graphics Array XGP Xerox Graphics Printer XID Exchange Identifier XIOS Extended Input/Output System XIP eXecute In Place XLAT Translate XMIT Transmit XMM Extended Memory Manager XMS Extended Memory Specification XNS Xerox Network System XNS/ITP Xerox Network System/Internet TransPort XO eXactly Once XOR Exclusive OR XSMD Extended Storage Module Drive XTAL Crystal XTCLK External Transmit Clock XUI X-windows User Interface XVT eXtensible Virtual Toolkit YA Yet Another YABA Yet Another Bloody Acronym YAUN Yet Another UNIX Nerd YACC Yet Another Compiler Compiler YAM Yet Another Modem ZBR Zone Bit Recording Z-CAV Zoned Constant Angular Velocity ZDS Zenith Data Systems ZGM ZenoGraphics Metafile ZIF Zero Insertion Force ZIP Zone Improvement Plan Zone Information Protocol Zig-zag Inline Package ZIT Zone Information Table ZNT ZiffNet ZSL Zero Slot LAN ZWEI ZWEI Was EINE Initially