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Epson EQUITY 3865X/20 PLUS User Manual

Page 250

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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.