Extended Memory

Memory above 1MB that is accessed by the protected mode of the microprocessor and is available to some application programs and operating systems.

Extended 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, resolutions up to 800 x 600 or 1024 x 768 (non-interlaced) in 16 colors, and resolutions up to 640 x 480 in 256 colors.

Extension

A suffix of characters that you can add to a filename to better identify it.

File

A group of related pieces of information called records, or entries, stored together on a disk. Text files consist of words and sentences. Program files consist of codes and are used by computers to interpret and carry out instructions.

Filename

A name up to eight characters long that MS-DOS uses to identify a file.

Fixed disk

See Hard disk.

8 Glossary