Epson Equity 286 PLUS - Manual (Page 246)

Double-density
A type of diskette format that allows you to store twice as much
data as the standard-density format. A 51/4-inch double-density
diskette can store 360KB of data. A 31/2-inch double-density
diskette can store 720KB 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 a compatible
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.
Expanded memory
Memory that specially written MS-DOS application programs
can use with an Expanded Memory Specification (EMS) device
driver such as EMM286.SYS.
Extended Memory
Memory above 1MB that is accessed by the protected mode of
the 80286 microprocessor and is available to some application
programs and operating systems.
Extension
A suffix of up to three characters which you can add to a
filename to better identify it.
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