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 386SX/16 PLUS operates at 16 MHz or

8 MHz.

Memory

The area where your computer stores data. Memory contents are stored permanently (in ROM) or temporarily (in 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).

10Glossary