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MCGA
Multi-Color Graphics Array. This mode provides CGA
compatibility as well as two-color
640
x
480
and 256-color
320x200
modes.
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 386SX/20 PLUS operates at 20 MHz or
simulates an 8 MHz operating speed.
Memory
The area where your computer stores data. Memory contents
can be permanent (ROM) or temporary (RAM).
Memory module
A small circuit board that contains memory chips. You can add
256KB, 1MB,
or 4MB memory modules to the main system
board inside the computer to expand the computer’s memory. A
memory module is commonly called a SIMM (single inline
memory module).
Memory on card
The additional memory on an option card installed in the
computer.