C P U

Central Processing Unit. The primary unit of the computer that interprets instructions, performs the tasks you indicate, keeps track of stored data, and controls all input and output operations.

Current directory

The directory you are logged onto and working in. Also known as the default directory

Cursor

The highlighted marker that shows your position on the screen.

Cylinders

See Tracks.

Data

Information such as text or graphics stored or processed by a computer.

Data diskette

A formatted diskette on which you store data files (as opposed to program files).

Data length

The number of bits per character in serial transmissions.

Default

Values or settings that take effect when the computer is turned on or reset. A default value stays in effect unless you override it temporarily by changing a setting or you reset the default value itself.

Default directory

The directory where MS-DOS executes your next command, unless you tell it do otherwise (by including a pathname with the command). Also known as the current or working directory.

Default drive

The disk drive from which MS-DOS executes your next command, unless you tell it to do otherwise (by including a drive identifier with the command). Also known as the current drive.

4 Glossary