Epson Equity IIe User Manual page 255

Double-density
A type of diskette format that allows you to store twice as much
data as the standard-density format. A 5 '/q-inch double-density
diskette can store 360KB of data. A 3 '/z-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 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.
Expanded memory
Memory that specially-written MS-DOS application programs
can use with an Expanded Memory Specification (EMS) device
driver such as EEMM286.SYS. Expanded memory does not fill a
certain range of memory like conventional and extended
memory; expanded memory can be mapped from the memory
area between 640KB and 1MB.
Extended Memory
Memory above 1MB that is accessed by the protected mode of
the 80286 microprocessor and available to some application
programs and operating systems.
8 Glossary