Glossary I

I3A = International Imaging Industry Association (DIG + PIMA).
IA-32 = Intel Architecture 32-bit (32-bit CPUs).
IA-64 = Intel Architecture 64-bit (high end 64-bit CPUs).
IANA = Internet Assigned Numbers Authority.
IBM = International Business Machines Corporation.
IC = Interface Controller.
ICANN = Internet Corporation for Assigned Names and Numbers.
ICD = Installable Client Driver (Microsoft 3D video).
ICMP = Internet Control Message Protocol.
ICMPv6 = Internet Control Message Protocol version 6.
ICO = ICOn graphic file (Microsoft Windows).
ICP = Internet Content Provider.
ICS = Internet Connection Sharing.
IDCT = Inverse Discrete Cosine Transform (Digital Versatile Disk decoding).
IDE = Integrated Device (Drive) Electronics (Hard Disk Drive interface).
IE = Microsoft Internet Explorer web browser (IEXPLORE.EXE).
IEAK = Microsoft Internet Explorer Administration Kit.
IEC = International Electrotechnical Commission.
IEEE = Institute of Electrical and Electronics Engineers.
IEEE 1394 = Institute of Electrical and Electronics Engineers FireWire peripheral devices high performance serial bus standard.
IETF = Internet Engineering Task Force.
IFF = Electronic Arts Image File.
IFSHLP.SYS = Installable File System HeLPer device driver (Microsoft Windows).
IGMP = Internet Group Management Protocol.
IMA = Interactive Music Architecture (Microsoft).
IMAP = Internet Message Access Protocol (e-mail retrieval).
IMAP4 = Internet Message Access Protocol version 4 (e-mail retrieval).
IMG = GEM Paint image file.
InterNIC = Internet Network Information Center.
I/O = Input/Output.
ION = Integrated On-demand Network (Sprint FastBreak).
IP = Internet Protocol.
IPF = Invalid Page Fault (Microsoft Windows).
IPTV = Internet Protocol TeleVision (Microsoft).
IPv4 = Internet Protocol version 4 (RFC791, 32-bit).
IPv6 = Internet Protocol version 6 (RFC1883, 128-bit).
IPX = Internetwork Packet EXchange (Novell Netware).
IRC = Internet Relay Chat.
IrDA = Infrared Data Association.
IRQ = Interrupt ReQuest line.
ISA = Industry Standard Architecture.
iSCSI = Internet Small Computers System Interface protocol (IETF).
ISDN = Integrated Services Digital Network.
ISEF = Instruction Set Extension Fabric (Stretch CPUs).
ISF = Imaging Science Foundation (video display standards).
ISO = International Organization for Standardization (Organisation Internationale de Normalisation).
ISO 9660 = International Standard LOgical CD-ROM format (High Sierra).
ISP = Internet Service Provider.
ISV = Independent Software Vendor.
IT = Information Technology (computing industry).
ITU = International Telecommunications Union (Union Internationale des Télécommunications).