Acronyms Beginning with i

• I/O - Input/Output
• IAF - Identification and Authorization Facility
• IBM - International Business Machines
• ICANN - Internet Corporation for Assigned Names and Numbers
• ICCCM - Inter-Client Communications Conventions
• ICMP - Internet Control Message Protocol
• IDAPI - Integrated Database Application Programming Interface
• IDE - Integrated Drive Electronics
• IEEE - Institute of Electrical and Electronic Engineers
• IETF - Internet Engineering Task Force
• IGRP - Internet Gateway Routing Protocol
• IMAP - Internet Message Access Protocol
• IP - Internet Protocol
• IPC - interprocess communications
• IPCS - Integrated PC Server
• IPX - Internetwork Packet Exchange
• IRQ - Interrupt Request line
• IS - Information Systems
• IS-IS - Intermediate System-to-Intermediate System
• ISDN - Integrated Services Digital Network
• ISIS - Integrated Scientific Information System
• ISO - International Standards Organization
• ISP - Internet service provider
• ITU - International Telecommunications Union
• IoT - Internet of Things
• iBase - Information Base