I
- I²C—Inter-Integrated Circuit
- I18N—Internationalization
- IANA—Internet Assigned Numbers Authority
- iBCS—Intel Binary Compatibility Standard
- IBM—International Business Machines
- IC—Integrated Circuit
- ICANN—Internet Corporation for Assigned Names and Numbers
- ICE—In-Circuit Emulator
- ICE—Intrusion Countermeasure Electronics
- ICMP—Internet Control Message Protocol
- ICP—Internet Cache Protocol
- ICT—Information and Communication Technology
- IDE—Integrated Development Environment
- IDE—Integrated Drive Electronics
- IDF—Intermediate Distribution Frame
- IDL—Interface Definition Language
- IDS—Intrusion Detection System
- IE—Internet Explorer
- IEC—International Electrotechnical Commission
- IEEE—Institute of Electrical and Electronics Engineers
- IETF—Internet Engineering Task Force
- IFL—Integrated Facility for Linux
- IGMP—Internet Group Management Protocol
- IGRP—Interior Gateway Routing Protocol
- IHV—Independent Hardware Vendor
- IIOP—Internet Inter-Orb Protocol
- IIS—Internet Information Services
- IL—Intermediate Language
- IM—Instant Messaging
- IMAP—Internet Message Access Protocol
- IME—Input Method Editor
- INFOSEC—Information Systems Security
- I/O—Input/Output
- IP—Intellectual Property
- IP—Internet Protocol
- IPC—Inter-Process Communication
- IPL—Initial Program Load
- IPO—Inter Procedural Optimization
- IPP—Internet Printing Protocol
- IPS—Intrusion Prevention System
- IPsec—Internet Protocol security
- IPTV—Internet Protocol Television
- IPX—Internetwork Packet Exchange
- IR—Intermediate Representation
- IRC—Internet Relay Chat
- IrDA—Infrared Data Association
- IRI—Internationalized Resource Identifier
- IRP—I/O Request Packet
- IRQ—Interrupt Request
- IS—Information Systems
- ISA—Industry Standard Architecture
- ISA—Instruction Set Architecture
- ISAM—Indexed Sequential Access Method
- ISC—Internet Storm Center
- iSCSI—Internet Small Computer System Interface
- ISDN—Integrated Services Digital Network
- ISO—International Organization for Standardization
- iSNS—Internet Storage Name Service
- ISP—Internet Service Provider
- ISPF—Interactive System Productivity Facility
- ISR—Interrupt Service Routine
- ISV—Independent Software Vendor
- IT—Information Technology
- ITIL—Information Technology Infrastructure Library
- ITL—Interval Temporal Logic
- ITU—International Telecommunication Union
- IVRS-Interactive Voice Response System
Read more about this topic: List Of Computing And IT Abbreviations