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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.
Video card
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