Appendix Acronyms I

In the left margin you will find links to the acronyms categorised alphabetically. Some of the pages are quite long and may take a few moments to load if you use a modem.

Acronyms - I

IAB Internet Activities Board [Networking]

IAEA International Atomic Energy Agency

IANA Internet Assigned Numbers Authority (IANA@ISI.EDU)

IATA International Air Transport Association

IAU International Astronomical Union [Space]

IAUC IAU Circular [Space]

IBM Ingrained Batch Mentality

IBM International Business Machines, Inc. [Corporate name]

IBM Itty Bitty Machines

IBT Illinois Bell Telephone

IC Integrated Circuit

IC Interexchange Carrier [Telephony] (see also IEC, IXC)

ICB Interstate Computer Bank

ICBM InterContinental Ballistic Missile

ICE In-Circuit Emulator

ICE International Cometary Explorer [Space]

ICI Imperial Chemical Industries

ICJ International Court of Justice

ICL International Computers Ltd.

ICMP Internet Control Message Protocol

ICP Integrated Channel Processor

ICP Inventory Control Points

ICRC International Cosmic Ray Conference

ID Idaho

ID IDentification

IDA Intercommunication Data Areas

IDA International Dark-sky Association [Space]

IDA International Development Association

IDDD International Direct Distance Dial [Telephony]

IDE Interactive Development Environments, inc

IDF Intermediate Distributing Frame [Telephony]

IDL Interactive Data Language [Space]

IDV Interlibrational Derived Vehicle [Space]

I.e. ???? (Latin(?): in other words (?))

IE Indo-European

IEC Inter-Exchange Carrier [Telephony] (see also IC, IXC)

IEE Institute of Electrical Engineers [UK]

IEEE Institute of Electrical and Electronic Engineers

IETF Internet Engineering Task Force

IF Intermediate Frequency (as in IF stage)

IFB Invitation For Bids

IFC International Finance Corporation

IFC International Freighting Corporation

IFF Identification - Friend or Foe

IFF Interchange File Format

IFLA International Federation of Library Associations

IFR Instrument Flight Rules [Aviation]

IGES Initial Graphics Exchange Standard

IGM InterGalactic Medium [Space]

IGY International Geophysical Year

IGY International Geophysical Year [Space]

IHP Indicated HorsePower

IHS Integrated Hospital Support

IIA Information Industry Association

IIE Institute of Industrial Engineers

IIHF International Ice Hockey Federation

IIL Integrated Injection Logic

ILO International Labor Organization

ILS Instrument Landing System

ILV Industrial Launch Vehicle [Space]

IMF International Monetary Fund

IMHO In My Humble Opinion [Net jargon]

IMO In My Opinion [Net jargon]

IMP Interface Message Processor [ARPANET/MILNET] (replaced by PSN)

IMSL International Mathematical Subroutine Library

IN Indiana

INADS INitialization and ADministration System [Telephony]

INRA Iesus Nazerenus Rex Iudaeorum (Jesus of Nazareth, King of the Jews)

INRIA Institut National de Recherche en Informatique et Automatique

INS Immigration and Naturalization Service

In-situ In Place [Latin]

INSTITUTE INSTITUTE's Name Shows That It's Totally Unrelated To EMACS

INTAP INteroperability Technology Association for information Processing

INWATS INward Wide Area Telephone Service [Telephony]

I/O Input/Output

IO Input/Output (sometimes I/O)

IOC International Operating Center [Telephony, US]

IOD Identified Outward Dialing

IOOF International Order of Odd Fellows

IOTA Infrared-Optical Telescope Array [Space]

IOTA International Occultation Timing Association [Space]

IOU I Owe you(U)

IP Information Provider [Telephony]

IP Innings Pitched

IP Intermediate Point

IP Internet Protocol

IPC Inter-Process Communication

IPE Integrated Programming Environment

IPMS InterPersonal Message Services

IPS Inertial Pointing System [Space]

IPS Information Processing Standards

IPSE Integrated Project-Support Environment

IQ Intelligence Quotient (see EQ)

IR Index Register

IR Infra-Red

IRA Individual Retirement Account

IRA Irish Republican Army

IRAF Image Reduction and Analysis Facility [Space]

IRAS InfraRed Astronomical Satellite [Space]

IRBM Intermediate Range Ballistic Missile

IRDS Information Resource Dictionary Standard

IRDS InfraRed Detection Set

IRE Institute of Radio Engineers (old name for the now IEEE, which see)

IRM Information Resources Management

IRMS Information Resources Management Service

IRS Internal Revenue Service

IRTF Internet Research Task Force

IS Information Systems

IS International Standard [ISO] (Beyond the DIS Stage)

ISA Industry-Standard Architecture

ISAM Indexed Sequential Access Method

ISAS Institute of Space and Astronautical Science (Japan) [Space]

ISBD International Bibliographic Description

ISC Information Services Center

ISC International Switching Center

ISCH Interstitial-Cell-Stimulating Hormone (same as LH)

ISDN Integrated Services Digital Network [Telephony]

ISDT Integrated Systems Development Tool

ISEE International Sun Earth Explorer (usually ISEE-3)

ISF Information Systems Factory

ISFUG Integrated Software Federal User Group

ISI Information Sciences Institute

ISM InterStellar Medium [Space]

ISO Infrared Space Observatory [Space]

ISO International Organization for Standardization

ISO International Standards Organization [Space]

ISODE ISO Development Environment

ISOO Information Security Oversight Office

ISPM International Solar Polar Mission

ISPM International Solar Polar Mission (now Ulysses) [Space]

ISR Institute of Snow Research

ISRG Independent Space Research Group

ISV Independent Software Vendor

ISY International Space Year [Space]

IT Industrial Technology

IT Information Technology

ITC Inter-Task Communication

ITS Incompatible Timesharing System

ITT International Telephone and Telegraph

ITU International Telecommunications Union

ITUSA IT Users Standards Association

IUE International Ultraviolet Explorer [Space]

IUS Inertial Upper Stage

IUS Inertial Upper Stage [Space]

IUV Interlibrational Utility Vehicle [Space]

IXC Inter-eXchange Carrier [Telephony] (see also IC, IEC)

IXI International (pan-European) X.25 Infrastructure