Memory module

A small circuit board that contains memory chips. You can add 256KB, IMB, 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 curd

The additional memory on an option card installed in the computer.

M G A

Multi-mode Graphics Adapter. A type of display adapter card that can display monochrome text and color graphics on the screen.

Microprocessor

A small version of a CPU contained on one semiconductor Chip.

Modem

A device that allows a computer to transmit signals over telephone lines so it can send and receive data. Modem stands for MOdulator/DEModulator.

The piece of hardware that contains the screen and displays information.

Monochrome monitor

A monitor that displays in only one color, such as green or amber, as opposed to a color monitor which can display in several colors.

G l o s s a r y I I