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DOS
The Disk Operating System that controls the computer's input
and output functions.
Double-density
A type of diskette format that allows you to store twice as much
data as the standard-density format. A 5¼-inch double-density
diskette can store 360KB of data. A 3½-inch double-density
diskette can store 720KB of data.
Drive identifier
The letter name of a disk drive, followed by a colon-for example,
c : .
EGA
Enhanced Graphics Adapter. A type of adapter that allows you
to display high-resolution graphics on a color 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 up to 640 x 350
resolution.
Executable file
A file containing program instructions, as opposed to data created
with an application program. An executable file has the extension
.BAT, .COM, or .EXE.
Execution speed
The speed at which the central processing unit can execute
commands. Also called operating speed. The Equity 386 can run
at 8 MHz or 20 MHz.
Expanded memory
Memory above 1MB that can be made available to certain
MS-DOS application programs via LIM EMS 4.0.
Extended memory
Memory above 1MB that is not available to MS-DOS application
programs. Extended memory can be used for the disk caching
program, HDCACHE. See the description of HDCACHE in
your MS-DOS Reference Manual.
6 Glossary
system.
See Operating
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