><><><><><><><><><><><><><><><><><><><><><><><><><><><><> ********************************************************* * * * * * Databse of Network Terms * * * * Alphabetically Listed * * Part 8 * * * * Another Modernz Presentation * * * * by * * Digital-demon * * * * (C)opyright Jauary 31st, 1992 * * * ********************************************************* <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><> ******************************************************************************* The Modernz can be contacted at: MATRIX BBS WOK-NOW! World of Kaos NOW! World of Knowledge NOW! St. Dismis Institute - Sysops: Wintermute Digital-demon (908) 905-6691 (908) WOK-NOW! (908) 458-xxxx 1200/2400/4800/9600 14400/19200/38400 Home of Modernz Text Philez <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>< <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><> TANSTAAFL The Church of Rodney - Sysop: Tal Meta (908) 830-TANJ (908) 830-8265 Home of TANJ Text Philez <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> Syndicate Bbs Sysop: Hegz (908)506-6654 300/1200/2400/4800/9600 14400/19200/38400 Modernz Site TLS HQ <><><><><><><><><><><><><><<><<><><><><><><><><><><><><><><><><><><><><><><><>< The Global Intelligence Center World UASI Headquarters! Pennsylvania SANsite! (412) 475-4969 300/1200/2400/9600 24 Hours! SysOp: The Road Warrior <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>< The Lost Realm Western PA UASI site! Western PA. SANfranchise (412) 588-5056 300/1200/2400 SysOp: Orion Buster <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>< The Last Outpost PowerBBS Support Board UASI ALPHA Division NorthWestern PA UASI site! (412) 662-0769 300/1200/2400 24 hours! SysOp: The Almighty Kilroy <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>< Hellfire BBS SANctuary World Headquarters! New Jersey UASI site! (908) 495-3926 300/1200/2400 24 hours! SysOp: Red <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> half-duplex (HDX) ================= A system for transmission of communications signals in two directions on a line, but not simultaneously. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> halfword ======== A sequence of 16 bits (2 bytes), which is treated as a unit and can be stored in one register. See word. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> halt ==== A hardware state in which nothing can happen. Also, an action that stops execution of code and disconnects circuits and devices. The code must be restarted from the beginning. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> handshake ========= A predefined exchange of signals or control characters between two devices that sets up the conditions for data transfer or transmission. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> Hard Zapper =========== A control message that tears down a circuit. See Zapper. hardwire The direct connection between a DTE and a node. (A modem or telephone system is not involved in this type of connection.) Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> HASP ==== Houston Automatic Spooling Program. A multileaving transmission block. A program that provides supplementary job, data, and task management functions, such as job flow control and spooling. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> HDLC ==== High-level Data Link Control. A bit-oriented, synchronous protocol that ensures transmission error checking by means of line control information bits. For high-speed communi- cations protocols, line control information bits are placed in a frame at a distinctive place, have no relation to alphabet sets, and are used for control purposes. When a frame is received by the destination DTE, checks are made to ensure that all information bits are present. Error frames are detected and retransmitted automatically. HDLC protocol places these bits in a standard format within the frame; therefore, error checking is conducted in less time and with fewer errors. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> HDX === Half-duplex. A system for transmission of communications signals in two directions on a line, but not simultaneously. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> header ====== The control information that is transferred first in a message, for example, source code, destination code, priority code, or message type (Supervisor, information, or unnumbered). Also called leader. See packet. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> heartbeat ========= A periodic signal sent from the ISIS Recovery Module (ISRM) slot to the Port Switch Module (PSM) over a dedicated, synchronous line. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> Hertz (Hz) ========== A unit of frequency equal to cycles per second. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> hexadecimal =========== A numbering system with 16 digits, as follows: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> HID === Host Identification. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> HIF === Host interface. Network-resident software program responsible for controlling communications between the TYMNET network and a host computer; includes flow control and protocol conversion. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> high-level ========== A programming language that uses language-like text rather than the 1s and 0s that the computer identifies. Examples of high-level languages are FORTRAN, BASIC, PASCAL, COBOL, APL, and C. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> High-level Data Link Control (HDLC) =================================== A bit-oriented, synchronous protocol that ensures transmission error checking by means of line control information bits. For high-speed communications protocols, line control information bits are placed in a frame at a distinctive place, have no relation to alphabet sets, and are used for control purposes. When a frame is received by the destination DTE, checks are made to ensure that all information bits are present. Error frames are detected and retransmitted automatically. HDLC protocol places these bits in a standard format within the frame; therefore, error checking is conducted in less time and with fewer errors. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> history buffer ============== A device that stores a copy of transmitted data. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> HMCS ==== Host Monitor Control System. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> home address ============ An address in the destination list of a user's access profile. When a destination is not specified at login, the user's home address is the default. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> host ==== A network-resident software application program that provides services (such as Menu Service or MUX) to network users. Although hosts typically function as the termination point of a virtual circuit, they can also originate virtual circuits. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> host computer ============= A mainframe or minicomputer used for either general-purpose computing or storing the databases or applications required by remote users. Host computers can be the origination or destination points of communications circuits through a network. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> host interface (HIF) ==================== Network-resident software program responsible for controlling communications between the TYMNET network and a host computer. Includes flow control and protocol conversion. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> host name ========= A destination name for an access profile in the MUD that may be specified by a string of characters beginning with a letter. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> host number =========== An address used to identify slot code running in a TYMNET node. The Supervisor uses this address for circuit building and session accounting (session character count and session duration). Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> host Shut ========= A status recognized by the Supervisor; indicates that the host is temporarily out of service and cannot handle traffic. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> Houston Automatic Spool Program (HASP) ====================================== A multileaving transmission block. A program that provides supplementary job, data, and task management functions, such as job flow control and spooling. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> HSA === High-Speed Access. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> hub go-ahead ============ Sequential polling in which the polling device contacts a terminal, which contacts the next terminal, and so on. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> Hunt Group ========== A set of dial-up lines; when a call is made to the pilot number (number of the first line) and it is busy, the call is routed to the first nonbusy line after the pilot number, according to a predetermined hunting sequence. A Hunt Group usually applies to incoming calls but can also apply to outgoing calls. Also called rotary. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> Hz == Hertz. A unit of frequency equal to cycles per second. IA5 International Alphabet #5. One of several telegraph and data communications codes developed as an international standard. IA5 is derived from the United States ASCII standard and is sanctioned by the International Standards Organization (ISO) and the CCITT. Type QUIT to exit, NEXT for next record, BACK for previous record Enter glossary term: next <*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*><*> |-|-|-|-|-|-|=|=|=|=|=|=|=|=|=|=|=|-|-|-|-|-|-|-|-|-|-|-|=|=|=|=|=|=| Disclaimer ~~~~~~~~~~ This publication is for informational purposes ONLY. In no way are the above authors, or organizations, liable for the use or misuse of the information contained herein. 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