Epson 3865X Plus User Manual page 317

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
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 EMM386.SYS.
Extended Memory
Memory above 1MB that is accessed by the protected mode of
the 80386SX microprocessor and is available to some
application programs and operating systems.
Extended partition
An additional MS-DOS partition; you can create one primary
MS-DOS partition and one extended partition.
Extension
A suffix of up to three characters that you can add to a filename
to better identify it.
8 Glossary
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350 resolution.