Epson Equity 320SX PLUS User Manual page 215

Main system board
The board built into your computer containing the circuitry
the computer requires to operate.
Math coprocessor
An optional device that enables the computer to process
certain mathematical calculations faster.
MCGA
Monochrome/Color Graphics Adapter. A type of display
adapter that runs either a monochrome or color graphics
monitor.
MDA
Monochrome Display Adapter. A type of display adapter that
displays text in only one color, such as green or amber.
Megabyte (MB)
A unit used to measure storage space in a computer's memory
or on a disk. One megabyte equals 1024KB.
Megahertz (MHz)
A unit used to measure oscillation frequency (of a computer's
internal timing clock). A megahertz is one million cycles per
second. The Equity 320sx PLUS operates at 20 MHz or
10 MHZ.
Memory
The area where your computer stores data. Memory contents
are stored permanently (in ROM) or temporarily (in RAM).
10
Glossary