Tracks

Addressable, concentric circles on a disk, resembling the grooves on a record, which help to divide the disk into separate accessible areas. There are 40 tracks on each side of a double-sided 360KB diskette and 80 tracks on each side of a double-sided 720KB diskette. The 20MB hard disk in the Apex 100\20 has 2460 data tracks.

VGA

Video Graphics Array. A type of high-resolution color display adapter that can display monochrome text and graphics at up to 720 x 400 resolution, 16-color graphics at up to 640 x 480 resolution, or 256-color graphics at 320 x 200 resolution.

V i d e o c a r d

The display adapter card that is installed in one of the computer’s option slots. The video card provides the interface to which you connect the monitor and it controls the way the monitor displays text and graphics.

Wildcard

A character that represents any character or group of characters. The wildcard character * (asterisk) represents a group of characters, and the wildcard character ? (question mark) represents a single character.

Write

To store data on a disk.

Write-protect

To protect the data on a diskette from being changed by placing a write-protect tab over the notch on the side of a

5 1/4-inch diskette or by setting the write-protect switch on a 3 1/2-inch diskette. When a diskette is write-protected, you cannot erase, change, or record over its contents.

16 Glossary