Epson 20 - Manual (Page 200)

Key disk
A diskette containing a copy-protected program that must remain
in the diskette drive while you are using the program.
Kilobyte (KB)
A unit used to measure storage space in a computer’s memory or
on a disk. One kilobyte equals 1024 bytes.
LIM EMS 4.0
Version 4.0 of the Lotus/Intel/Microsoft Expanded Memory
Specification-a protocol that allows certain application programs
to use memory above 1MB. To take advantage of LIM EMS 4.0,
you must have the file EEMM386.EXE on your hard disk and
you must modify the CONFIG.SYS file. See Chapter 5.
Logical disk drive
A subdivision of a physical disk drive, treated by MS-DOS as
though it were a separate physical component of the computer. A
physical disk drive may be divided into several logical drives.
Main memory
The amount of memory in the computer up to 1MB that is
available to MS-DOS and application programs. Also called base
memory.
Math coprocessor
An optional device that enables the computer to process certain
mathematical calculations faster.
MCGA
Monochrome/Color Graphics Adapter. A type of adapter that
runs either a monochrome or color graphics monitor.
MDA
Monochrome Display Adapter. The type of adapter that displays
monochrome text on a monochrome monitor.
Megabyte (MB)
A unit used to measure storage space in a computer’s memory or
on a disk. One megabyte equals 1,048,576 bytes.
Glossary 9