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Epson Endeavor User Manual

Page 171

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Display adapter card

A circuit board that can be installed in one of the computer’s

option slots to control the way a monitor displays text and

graphics. A VGA display adapter is built into your computer’s

main system board. Also called video card.

DOS

Disk Operating System. The generic term for the operating

system software that controls a computer and directs its input

and output functions. See also MS-DOS and Operating system.

Double-density

A type of diskette format that allows you to store twice as

much data as the standard-density format. A 3.5-inch,

double-density diskette can store 720KB of data. A 5.25~inch,

double-density diskette can store 360KB of data.

Drive designator

The letter name of a disk drive, followed by a colon-for

example,

C

: .

EGA

Enhanced Graphics Adapter. A type of display adapter card

that allows you to display high-resolution graphics on an EGA

monitor. It can display up to 43 lines of text with 80 characters

on each line, or it can display monochrome or 16-color graphics

at resolutions up to 640 x 350.

Expanded memory

Memory that specially-written MS-DOS programs can use

when an expanded memory manager program maps that

memory into an accessible area. See also Memory manager.

8 Glossary