Super VGA mode

Special features of the built-in VGA adapter available when you are using certain display drivers and a multi-frequency monitor. These features include 132 column text mode and resolutions up to 800 x 600 in 16 colors.

Switch

An option added to an MS-DOS command that modifies the way the command works. Switches are usually preceded by a / (forward slash). For example, if you add the IS switch to a FORMAT command, MS-DOS installs the operating system on the diskette as it formats it. See Parameter.

System diagnostics

A series of checks you can perform on the computer to make sure the hardware is functioning correctly.

System diskette

A diskette that contains the operating system.

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 80 tracks on each side of a double- sided 1.2MB, 1.44MB, or 720KB diskette and 40 tracks on each side of a double-sided 360KB diskette. The number of tracks on a hard disk depends on its capacity.

VGA

Video Graphics Array. A type of high-resolution display adapter. The VGA adapter built into the system board of your computer can display 16-color graphics at resolutions up to 800 x 600 or 2560-color graphics at resolutions up to 640 x 480.