Glossary-2

boot – To start up a computer. During the start up process, information necessary for the computer to operate is loaded into the memory.

browser – A program used to access and view information. See Web browser.

bug – An error in computer program code.

bulletin board – A computerized meeting and announcement system that can be accessed directly by dialing the bulletin board system telephone number using a modem or through an ISP connection and the Internet.

bus – The main communication path used by the components of a computer.

byte – A unit of measurement used to describe a quantity of data, equal to eight bits. A character is one byte in size. See bit.

CAB files (CABinet files) – Files in the Windows directory on your hard disk that contain the Microsoft Windows operating system distribution files. These files are automatically accessed when necessary.

cable modem – A device that provides constant access to the Internet through a cable Internet service provider.

cache – A portion of memory where frequently used information is duplicated for the purpose of instant access. See memory.

CardBus PC Card – A 32-bit PC Card. See PC Card.

CD See compact disc, digital versatile disc, digital video disc.

CD-ROMSee compact disc.

central processing unit (CPU) – Controls the operation of a computer. Arithmetic and logic operations, as well as the decoding and execution of instructions are performed by the central processing unit. See chip, microprocessor.

channel – A communication path.

Channel Bar – A feature of the Microsoft Windows 98 active desktop that provides single-click access to featured Web sites.

chip – A tiny silicon wafer that contains miniature transistors and circuits. See central processing unit, microprocessor.

client – A computer workstation on a network that has access to the data and services of a central computer known as a server. Contrast server.