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I/O Address: Input/Output address - A 3 to 4 digit hexadecimal number used to identify and signal a peripherial device.

IBM: International Business Machines - IBM is the largest computer company in the world and the first to produce a computer back in 1953. Often IBM compatible is used still to refer to a computer running Windows.

Icon: A small picture on your screen which usually represents a program, folder, file or shortcut.

ICS: Internet Connection Sharing - A method in which 1 internet source can be shared with multiple computers. ICS can be setup with Windows XP or with software like Sygate/Wingate or hardware (routers).

IEEE 802.1: Standard for 11Mbps wireless network operation.

IEEE 802.11b: Standard for 11Mbps wireless network operation.

IEEE 802.1p: Standard for quality of service; network traffic prioritization.

IEEE 802.1Q: Standard relating to VLANs.

IEEE 802.2: Specifies the logical link control for various access methods.

Integrated: When intergrated is used, it means that 2 or more devices have been made into one device. For example, many motherboards have sound cards built into the board making it an integrated sound card.

IP Address: Internet Protocol address - The address of a network node in the form of four sets of numbers up to 3 digits each and divided by periods, for example; 127.0.0.1. Everywhere you connect to, and even yourself when you login to your internet provider, is assigned an IP address.

IPX: Novell network protocol that connects computers running NetWare.

IRC: Internet Relay Chat - A place where IRC clients connect to an IRC server to participate in real time test conversations.

IRQ: An IRQ is a signal from a piece of hardware (such as a keyboard or sound card) indicating that it needs the CPU to do something. The interrupt request signals run along the IRQ lines to an interrupt controller that assigns priorities to incoming IRQs and delivers them to the CPU.

ISA: A standard bus architecture associated with the IBM AT motherboards. It's a limited 8-bit and 16-bit bus, but widely compatible.

ISP: Internet Service Provider - If your reading this, you have an ISP. They are the backbone to the internet that you pay to connect to the internet, for example Earthlink, Road Runner, AOL and MSN to name a few larger ones.