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 386/25 PLUS operates at 25 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 or 1MB 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.

MGA

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.

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