Epson Endeavor 468C - Manual (Page 172)

LIM
EMS 4.0
Version 4.0 of the Lotus/Intel/Microsoft Expanded Memory
Specification-your computer’s capability to support programs
that use expanded memory. See also Expanded memory.
Main
system board
The circuit board inside your computer containing the circuitry
and components your computer needs to operate.
Math coprocessor
A device that enables the computer to process mathematical
calculations faster by using floating point numbers instead of
whole numbers.
Megabyte (MB)
A unit used to measure storage space in a computer’s memory
or on a disk. One megabyte equals 1024KB (kilobytes).
Megahertz (MHz)
A unit used to measure oscillation frequency, such as that of a
computer’s internal clock. A megahertz is one million cycles
per second.
Memory
The area where your computer stores data. Memory contents
are stored permanently (in ROM) or temporarily (in RAM).
Memory
manager
A program that controls the memory in your computer so that
different applications do not use the same portion of extended
memory at the same time.
8 Glossary