Heat Sink
A piece of
Hot-Swappable
Indicates that a device can be connected to or disconnected from a computer while the computer is running. After the
hr
Hour(s). A measurement of time that equals 60 min.
HTML
Hypertext Markup Language. A set of codes inserted into an Internet web page intended for display on an Internet browser. The codes tell the browser how to display the contents of the web page.
http
Hypertext Transfer Protocol. A protocol for exchanging files between computers on the Internet. Each URL begins with http://.
Hz
Hertz. A measurement of frequency that equals 1 cycle per second. Computers and electronic devices are often measured in kilohertz (kHz), megahertz (MHz), gigahertz (GHz), or terahertz (THz).
I/O
Input/output. An operation or device that enters and/or extracts data from the computer. For example, a keyboard is an input device, and a printer is an output device.
I/O Address
An address in RAM that is associated with a specific device (such as a serial port, parallel port, or expansion slot) and allows the microprocessor to communicate with that device.
IC
Industry Canada. The Canadian regulatory body responsible for regulating emissions from electronic equipment, much as the FCC does in the United States. IC polices the Canadian marketplace to ensure that equipment manufactured in or imported into Canada meet the proper emissions limits.
IC
Integrated circuit. A microelectronic semiconductor component consisting of many interconnected transistors and other devices. Also called a chip. Examples include the microprocessor,
IDE
Integrated Device Electronics. An ATA specification for drive interface. This is a common interface used primarily for hard drives and CD drives. This interface is commonly integrated directly into the computer’s system board, and it allows up to four drives to communicate simultaneously with the computer. See also EIDE.
IP
Internet Protocol. The protocol governing how data is sent from one computer to another on the Internet. See also IP Address and TCP/IP.
IP Address
Each computer on the Internet has at least one IP address that uniquely identifies it from all other computers on the Internet. When you send or receive data on the Internet, it contains both the sender's and receiver's addresses. See also TCP/IP.
IPX
Internetwork packet eXchange. A networking protocol from Novell® that interconnects networks that use Novell's NetWare® clients and servers. See also SPX and IPX/SPX.
IPX/SPX
Internetwork Packet eXchange (IPX)/Sequenced Packet eXchange (SPX). A Novell network
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