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
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