Computer Glossary

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iCOMP Intel Comparative Microprocessor Performance [Intel]

ICP Image Coprocessor + Integrated Channel Processor

ICR Intelligent Character Recognition

ICS Intuitive Command Structure

ICSAPI Internet Connection Services API

ICU Instruction-Cache Unit +

Intel Configuration Utility [Microsoft] +

ISA Configuration Utility

ID Identification + Identifier

IDA Integrated Digital Access + Intelligent Disk Array +

Intelligent Drive Array

IDAPI Integrated Database Application Programming Interface

IDC Integrated Database Connector +

Integrated Desktop Connector +

Internet Database Connector [Microsoft]

IDDE Integrated Development & Debugging Environment [Symantec]

IDE Imbedded Drive Electronics +

Integrated Development Environment [Borland] +

Integrated Drive Electronics +

Intelligent Drive Electronics +

Interactive Design and Engineering +

Interface Design Enhancement

IDEA International Data Encryption Algorithm

IDF Intermediate Distribution Frame

IDI Initial Domain Identifier

IDIV Integer Divide

IDL Interactive Data Language +

Interface Definition Language

IDM Integrated Document Management

IDMS Integrated Data Base Management System

IDNX Integrated Digital Network Exchange [IBM]

IDP Integrated Data Processing

IDR Intelligent Document Recognition

IDT Interface Design Tool + Interrupt Descriptor Table

.IDX Index (file name extension)

IE Internet Explorer [Microsoft]

IEC International Electrotechnical Commission

IEEE Institute of Electrical and Electronics Engineers

IEF Information Engineering Facility

IEMSI Interactive Electronic Mail Standard


IEN Internet Engineering Notes

IETF Internet Engineering Task Force

IESG Internet Engineering Steering Group

I/F Interface

IFC Internet Foundation Classes

IFD Image File Directory

IFF Interchangeable File Format [Amiga]

IFG Incoming Fax Gateway

IFP Instruction Fetch Pipeline

IFS Installable File System

IFSM Information Systems Management

IGA Integrated Graphics Array

IGC Integrated Graphics Controller

IGES Initial Graphics Exchange Standard

IGFET Insulated-Gate Field Effect Transistor

IGMP Internet Group Multicast Protocol

IGP Interior Gateway Protocol

IGRP Interior Gateway Routing Protocol [Cisco]

IGS Internet Go Server

IHD Integrated Help Desk [IBM]

IHV Independent Hardware Vendor

IIF Immediate Interface

III Interstate Identification Index [NCIC]

IIOP Internet Inter-Operability Protocol

IIR Immediate Impulse Response

IIS Internet Information Server [Microsoft]

IITF Information Infrastructure Task Force

IKP Internet Keyed Payments [IBM]

ILA Image Light Amplifier

ILP Instruction-Level Parallelism

ILS International Language Support

IMACS Image Management and Communication System

IMAP Internet Message Access Protocol

IMAX Maximum Image

IMDS Image Data Stream (format) [IBM]

IME Input Method Editor

IMG Image

IML Initial Microcode Load [IBM]

IMP Information/Interface Message Processor

IMPA Intelligent Multi-Port Adapter [DCA]

IMR Internet Monthly Report

IMS Information Management System +

Intermediate Maintenance Standards

IMSP Internet Message Support Protocol

IMTC International Multimedia Teleconferencing Consortium

IMTV Interactive Multimedia Television

IMUL Integer Multiply

IMUX Inverse Multiplexer

IN Input

INC Increment

.IND Index (file name extension)

.INF Information (file name extension)

.INFO Information Services (Domain Name) [Internet]

INFS Internet Network File System

.INI Initialize (file name extension)

INIT Initialization + Initialize

INM Integrated Network Management

INND Internet News Daemon

INS Input String + Integrated Network Server

INT Integer + Internal + Interrupt +

International (organization Domain name) [Internet]

INTA Interrupt Acknowledge

InterNIC Internet Network Information Center

INTO Interrupt if Overflow occurs

I2O Intelligent Input/Output

I/O Input/Output

IOC Inter-Office Channel

IOCC Input/Output Channel Converter +

Input/Output Controller Chip

IOCS Input/Output Control System

IOCTL Input/Output Control

IODE Integrated Development and Debugging

Environment [Symantec]

IOP Input/Output Processor

IOPL Input/Output Privilege Level

IOR Interoperable Object Reference

IOSGA Input/Output Support Gate Array

IP Instruction Pointer + Internet Protocol

IPBF Installed Peripheral Base Flexibility

IPC Instructions Per Clock + Interprocess Communication

IPCP Internet Protocol Control Protocol

IPDS IBM Personal Dictation System [IBM] +

Intelligent Printer Data Stream [IBM]

IPFC Information Presentation Facility Compiler [IBM]

IPI Intelligent Peripheral Interface

IPL Initial Program Load/Loader +

Ion Projection Lithography

IPL * Information Programming Language

IPM Images Per Minute + Interpersonal Message

IPMI Intelligent Platform Management Interface

IPng Internet Protocol, next generation

IPSE Integrated Project Support Environment

IPTC International Press Telecommunications Council

IPX Internetwork Packet Exchange [Novell]

IQL Interactive Query Language

IR Infrared

IRC Internet Relay Chat

IRD Integrated Receiver/Descrambler

IRDA Infrared Data Association

IRDS Information Resource Dictionary System

IRET Interrupt Return

IRF Intermediate Routing Function +

Inheritance Rights Filter [Novell]

IRL Interactive Reader Language + Inter-Repeater Link

IRLAP Infrared Link Access Protocol

IRLED Infrared Light Emitting Diode

IRM Information Resource Management + Inherent Rights Mask

IRQ Interrupt Request

IRTF Internet Research Task Force

IRX Information Retrieval Experiment

IS Information System + Interrupt Status

ISA Industry Standard Architecture +

Instruction-Set Architecture

ISAM Indexed Sequential-Access Management/Method

ISAPI Internet Server API [Microsoft]

ISBN International Standard Book Number

ISC Instruction Set Computer + Inter-Systems

Communication [IBM]

ISD Image Section Descriptor +

Instructional Systems Design

ISDN Integrated Services Digital Network

ISH Information Super Highway

ISI Internally Specified Index

ISIS Integrated Systems and Information Services

ISKM Internet Starter Kit for the Macintosh

ISL Interactive System Language

ISM Integrated Services Model [IETF] +

Internet Service Manager [Microsoft]

ISMF Interactive Storage Management Facility

ISOC Internet Society

ISO International Organization for Standardization

ISP Internet Service Provider + Interrupt Stack Pointer +

Interrupt Status Port

ISPF Interactive System Programming Facility

ISR Information Storage and Retrieval +

Interrupt Service Routine +

Interrupt Status Register

ISSN International Standard Serial Number

ISV Independent Software Vendor

IT Information Technology

ITB Information Technology Branch + Intermediate Text Block

ITC International Typeface Corporation

ITE Information Technology Equipment

ITF Interactive Test Facility

ITN Identification Tasking and Networking

ITR Internet Talk Radio

ITU International Telecommunication Union

ITUG International Telecommunications User Group

ITU-TIES ITU-Telecom Information Exchange Services

ITU-TSS ITU-Telecommunication Standards Section

ITV Interactive Television

ITX Intermediate Text Block

IU Integer Unit

IUAP Internet User Account Provider

IUS/ITB Interchange Unit Separator/Intermediate Transmission


IVDS Integrated Voice and Data Systems

IVIS Interactive Video Information System

IVL Independent Vendor League + Intel Verification Lab

IVR Interactive Voice Response

IVS Interactive Videodisk System

IVT Interrupt Vector Table

IV&V Independent Verification & Validation

I-WAY Information Highway

IXC Interexchange Carrier

JA Jump Address + Jump if Above

JAD Joint Application Design

JAE Jump if Above or Equal

JANET Joint Academic Network

JAR Java Archive (file format)

JBE Jump if Below or Equal

JC Jump if Carry set

JCL Job Control Language

JDBC Java Database Connectivity

JDK Java Development Kit

JE Jump if Equal

JEDEC Joint Electronic Devices Engineering Council

JEIDA Japanese Electronics Industry Development Association

JEPI Joint Electronic Payment Initiative

JES Job Entry System

JFC Java Foundation Classes

JFET Junction Field Effect Transistor

JFIF JPEG File Interchange Format

JFS Journaled File System [IBM]

JG Jump if Greater

JGE Jump if Greater or Equal

JIPS JANET Internet Protocol Service

JIT Just-In-Time (compiler)

JL Jump if Less

JLE Jump if Less than or Equal to

JLIP Joint Level Interface Protocol

JMAPI Java Management Application Program Interface

JMF Java Media Framework [Sun]

JMP Jump

JMS Java Message Service

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

JNI Java Native Interface

.JNK Junk (file name extension)

JNLE Jump if Not Less or Equal

JNO Jump if No Overflow

JNP Jump if No Parity

JNS Jump if No Sign

JOE Java Objects Everywhere

JOHNNIAC* John Neumann Integrator and

Automatic Computer [Rand Corp.]

JOSS * Johnniac Open Shop System [Rand Corp.]

JPE Jump if Parity Even

JPEG Joint Photographic Experts Group

JPL Jet Propulsion Laboratory

JPO Jump if Parity Odd

JRE Java Runtime Environment

JS Jump if Sign

JTAPI Java Telephony Application Programming Interface

JZ Jump if Zero

JNZ Jump if Not Zero

JSS Java-Script Style Sheet

JUGHEAD Jonzy's Universal Gopher Hierarchy

Excavation and Display [Internet]

JVM Java Virtual Machine

K-12 Kindergarten through 12th Grade [US Education System]

KAM Keep Alive Memory

Kb Kilobit

KB Keyboard + Kilobyte (1,024 bytes)

KBD Keyboard (also KEYB)

KBD$ Keyboard [OS/2]

KBE Knowledge Based Engineering

Kbps Kilobits Per Second

KBps Kilobytes Per Second

KDT Key Definition Table

KEFIR Key Findings Reporter [GTE]

KEYBBE Foreign language KEYBoard program - Belgium

KEYBBR Foreign language KEYBoard program - Brazil

KEYBCF Foreign language KEYBoard program - Canadian-French

KEYBCZ Foreign language KEYBoard program - Czechoslovakia


KEYBDK Foreign language KEYBoard program - Denmark

KEYBFR Foreign language KEYBoard program - France

KEYBGR Foreign language KEYBoard program - Germany

KEYBHU Foreign language KEYBoard program - Hungary

KEYBIT Foreign language KEYBoard program - Italy

KEYBLA Foreign language KEYBoard program - Latin America

KEYBNL Foreign language KEYBoard program - Netherlands

KEYBNO Foreign language KEYBoard program - Norway

KEYBPL Foreign language KEYBoard program - Poland

KEYBPO Foreign language KEYBoard program - Portugal

KEYBSF Foreign language KEYBoard program - Swiss-French

KEYBSG Foreign language KEYBoard program - Swiss-German

KEYBSL Foreign language KEYBoard program - Czechoslovakia


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

KEYBUS Foreign language KEYBoard program - United States

KEYBYU Foreign language KEYBoard program - Yugoslavia

KHz Kilohertz

KIF Knowledge Interchange Format

KIS Knowbot Information Service [Internet]

KPI Kernel Programming Interface

KQML Knowledge Query and Manipulation Language

KSH Korn Shell (program) [Unix]

KSPH Keystrokes Per Hour

KSR Keyboard Send Receive

KRS Knowledge Retrieval System

L2F Layer Two Forwarding [Cisco]

L2TP Layer Two Tunneling Protocol

LADDR Layered Device Driver Architecture [Microsoft]

LALL Longest Allowed Lobe Length

LAN Local Area Network

LANACS Local Area Network Asynchronous Connection Server

LANDP LAN Distributed Platform

LANE Local Area Network Emulation

LANG Language

LAPB Link Access Procedure Balanced (protocol)

LAPD Link Access Procedure on the D-Channel (protocol)

LAPM Link Access Procedure for Modems

LAR Load Access Rights

LASER Light Amplification by Stimulated Emission of Radiation

LASTport Local Area Storage Transport (protocol) [DEC]

LAT Local Access Terminal +

Local Area Transport [DEC]

LATA Local Access and Transport Area

LAVC Local Area VAX Cluster

LAWN Local Area Wireless Network

LB Left Button (of 2 or 3 button Mouse)

LBA Logical Block Addressing

LBL Label

LBR Librarian

.LBR Library (file name extension)

LBT Listen Before Talk

LBX Local Bus Accelerator

LCA Lotus Communications Architecture [Lotus]

LCC Leadless Chip Carrier

LCD Liquid Crystal Display + Lowest Common Denominator

LCF Low Cost Fiber

LCK Library Construction Kit [Microsoft FoxPro]

LCP Link Control Protocol

LCR Least Cost Routing + Line Control Register

LCSD Laminate Chip Signal Diode

LCU Last Cluster Used

LDA Logical Device Address

LDAP Lightweight Directory Access Protocol [IBM]

LDC Lotus Development Corporation

LDDS Long Distance Discount Services (company)

LDM Long Distance Modem

LDT Local Descriptor Table

LE Less or Equal

LEA Load Effective Address

LEAF Law Enforcement Access Field

LEC Local Area Network Emulation Client +

Local Exchange Carrier

LED Light Emitting Diode

LEL Link, Embed and Launch-to-edit [Lotus]

LEM Language Extension Module

LEN Low Entry Networking

LEO Low Earth Orbit

LES Local Area Network Emulation Server

.LET Letter (file name extension)

LEX Lexicon

LF Line Feed

LFAP Lightweight Flow Admission Protocol

LFI Last File Indicator

LFN Long File Name

LFT Low Function Terminal [IBM]

LFU Least Frequently Used

LGA Leadless Grid Array

LGDT Load Global Descriptor Table

LIAS Library Information Access System

.LIB Library (file name extension)

LIC Line Interface Coupler [IBM]

LICS Lotus International Character Set [LDC]

LIDT Load Interrupt Descriptor Table

LIEP Large Internet Exchange Packet [Novell]

LIF Low Insertion Force

LIFO Last In, First Out

LILO Last In, Last Out

LIM Lotus/Intel/Microsoft

LIMA Lotus/Intel/Microsoft/AST

LIMDO Light Intensity Modulation Direct Overwrite

LIMM Light Intensity Modulation Method

LIMS Library Information Management System

LINUX (Operating system named after Linus Torvalds)

LIP Large Internet Packet

LIPS Lightweight Internet Person Schema +

Logical Inferences Per Second

LISP List Processing (Language)(See HLL)

LISTSERV List Server [Internet]

LIU LAN Interface Unit

LIW Long Instruction Word

LLC Logical Link Control

LLDT Load Local Descriptor Table

LLF Low Level Format

LMB Left Mouse Button

LMBCS Lotus Multi-Byte Character Set [Lotus]

LMD Last Modification Date

LMDS Local Multipoint Distribution Service

LMI Link/Local Management Interface

LMS Lotus Messaging Switch [Lotus]

LMSW Load Machine Status Word

LMU LAN Management Utilities [IBM] +

LAN Manager for Unix

LN Load Number + Logarithm (Natural)

LN:DI Lotus Notes:Document Imaging

LNK Link

LOB Line of Business

LOC Lines Of Code + Loop On-Line Control

LOCIS Library of Congress Information System

LOD Level Of Detail

LODSB Load String Byte

LOG Logarithm (Base 10)

LOGO (Programming Language)(See HLL)

LON Local Operating Network

LOOPE Loop while Equal

LOOPNE Loop while Not Equal

LOOPNZ Loop while Not Zero

LOOPZ Loop while Zero

LORE Line Oriented Editor

LPAR Logic Programming and Automated Reasoning

LPC Local Procedure Call

LPD Line Printer Daemon (protocol) [Berkley]

LPI Lines Per Inch

LPL Lotus Programming Language [Lotus 1-2-3] [LDC]

LPM Lines Per Minute

LPN Logical Page Number

LPR Line Printer Remote

LPS Low-Power Schottky

LPT Line Printer

LPT1 First Parallel Printer Port

LPT2 Second Parallel Printer Port

LPT3 Third Parallel Printer Port

LQ Letter Quality

LQM Link Quality Monitoring (protocol)

LR Link Register

LRC Local Register Cache +

Longitudinal Redundancy Check

LRL Least Recently Loaded

LRM Language Reference Manual + Least Recently-Used Master

.LRS Language Resource (file name extension) [WordPerfect]

LRU Least Recently Used

LSA LAN and SCSI Adapter [IBM] + Line Sharing Adapter +

Local Security Authority [Microsoft]

LSAPI License Services Application Program Interface

LSB Least Significant Bit

LSC Least Significant Character

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