Terms and definitions

This list of terms should help you get acquainted with terms used in your computer’s documentation and in your system software.

Applications - Software installed on your system. Sometimes called programs.

BIOS - Basic input/output system. The BIOS is software that is independent of any operating system. It enables the computer to communicate with the monitor, keyboard, and other peripheral devices without using programs on the hard disk.

The BIOS on your computer is flash BIOS, which means that is has been recorded on a memory chip that can be updated if needed.

Boot - To load the first software program (usually the operating system) that starts your computer. To perform a cold (or hard) boot, you turn the computer on when it is off. To perform a warm (or soft) boot, you reset the computer when it is already turned on.

Boot disk - A disk containing operating system programs required to start your computer. A boot disk can be a diskette, hard drive, or CD.

Byte - The basic unit of measure for computer memory. A character, such as a letter of the alphabet, uses one byte of memory. Each byte is made up of eight bits. Computer memory is often measured in kilobytes (1,024 bytes) or megabytes (1,048,576 bytes).

Cache memory - Cache is very fast memory that can be located in the processor. Cache reduces the average time required for the processor to get the data it needs from the main memory by storing recently accessed data in the cache.

CMOS memory - Complementary metal oxide semiconductor memory. CMOS memory is memory that is retained even when the computer is turned off. The Setup program settings and other parameters are maintained in CMOS memory.

Default - The option that the software or system uses when you have not made a choice yourself.

Disc - A compact disc (CD).

30 Gateway ALR 8300 User’s Guide