Epson LT - 286e - Manual (Page 140)

DOS
Short for MS-DOS. The Disk Operating System that controls
the computer’s input and output functions. See Operating
system.
Double-density
A type of diskette. Double-density, 3 diskettes have a
capacity of 720KB.
Drive identifier
The letter name of a diskette drive or hard disk, followed by a
colon (for example, A: or C:).
ECD
Enhanced Color Display.
EGA
Enhanced Graphics Adapter. A type of video monitor that can
display graphics.
Executable file
A file containing program instructions. In MS-DOS, executable
files must have an extension of .BAT, .COM, or .EXE. To
perform the instructions in the file, type its name at the
command prompt (with or without the extension).
Execution speed
The speed at which the CPU can execute commands. The
Equity LT-286e can run at 8 MHz or 12 MHz. Also called clock
speed or operating speed.
Glossary 9