IBM
International Business Machines Corporation.

Icon
A graphic symbol, usually representing a file, folder, disk or tool.

Image Map
A graphic divided into regions or "hotspots". When a particular region is clicked, it calls up a web page that has been associated with that particular region.

Imagesetter
A device used to record digital data (images and text) onto monochrome film or offset litho printing plates by means of a single or multiple intermittent light beams. Color separated data is recorded as a series of slightly overlapping spots to produce either solid areas of line-art or halftone dots for printing continuous tones.

Import
To bring data into a document from another document, often generated by a different application.

Inactive Window
A window that is open but is not the top window.

Infopath
Internet gopher for the University of California at San Diego.

Information Technology
Includes matters concerned with the furtherance of computer science and technology, design, development, installation and implementation of information systems and applications.

Initializing (formatting)
Setting up a disk (any kind) to receive information. When a disk is initialized (formatted), its magnetic media is divided into tracks and sectors, and structure files that your computer uses to keep track of data are created.

Inline images
Graphics that are contained within a document's textual information. In a Web document, these graphics can either be loaded automatically when the page is accessed or loaded manually by clicking on the image's icon.

Installer
A utility that copies system software or an application from floppy disks or a CD-ROM to your hard disk. An Installer may also decompress the new files, remove obsolete files, place extensions and control panels in their proper folders, and/or create new folders.

Interface
The way a computer interacts with a user or a peripheral.

Internet
The Internet (note the capital I) is the largest internet in the world. It is a three level hierarchy composed of backbone networks (e.g., NSFNET, MILNET), mid-level networks, and stub networks. The Internet is a multiprotocol internet.

Interpolation
In the image manipulation context, this is the increase of image resolution by the addition of new pixels throughout the image, the colors of which are based on neighboring pixels.

Interrupt
A brief interruption of the computer's activity so that an urgent task can be performed.

IP
Internet Protocol is the standard that allows dissimilar hosts to connect to each other through the Internet. This protocol defines the IP datagram as the basic unit of information sent over the Internet. The IP datagram consists of an IP header followed by a message.

IP Address
Network addresses are usually of two types: (1) the physical or hardware address of a network interface card; for Ethernet this 48-bit address might be 0260.8C00.7666. The hardware address is used to forward packets within a physical network. (2) The logical or IP Address is used to facilitate moving data between physical networks and is made up of a network number, a subnetwork number, and a host number. All Internet addresses at SDSU have a network number of 130.191, a subnet number in the range of 1-254, and a host number in the range of 1-254.

IP Datagram
The basic unit of information passed across the Internet. An IP Datagram is to the Internet as a hardware packet is to a physical network. It contains a source and destination address along with data. Large messages are broken down into a sequence of IP Datagrams.

IRC
Internet Relay Chat. A program that allows you to carry on "live" conversations with people all over the world by typing messages back and forth across the Internet.

ISAAC
Information System for Advanced Academic Computing. Serves as a clearinghouse for information about the use of IBM-compatible hardware and software as aids to instruction and research in higher education. Membership is free to all students, faculty, and staff at these institutions.

ISO
International Organization for Standardization, the group that developed the OSI protocols.

ISP
Internet Service Provider. A company that provides access to the Internet. A service provider can offer simple dial-up access, SLIP/PPP access, or a dedicated line.

IT8
Industry standard color reference target used to calibrate input and output devices.

ITV
Interactive Television.