Bus
A communication channel carrying signals from any device used by the system to another device. For example, data being transferred to and from a hard disk travels on a bus.
Byte
The basic unit of measure for computer memory. A character, such as a letter of the alphabet, uses one byte of memory. Computer memory is often measured in kilobytes or megabytes. Each byte is made up of eight bits.
Check box
An element of a dialog box. A check box is either filled or left blank, indicating a
Click
To press the left mouse button and then release it.
A disk, which is similar in appearance to an audio compact disc, that can store large amounts of data, video, and sound. Data can be read from, but not written to, a
CMOS (complementary
The memory that stores the configuration you establish by running the computer’s setup program. CMOS memory uses very little power and stores the configuration information even when the computer is turned off.
Command
A word or series of words you use to initiate an operating system action.
Command line
The commands and their parameters that you type at the
Command prompt
A character or string of characters that indicate the beginning of the operating system command line.
CONFIG.SYS file
A file on the boot disk that configures
Glossary 63