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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 computer operates at 8 MHz or 20 MHz.
Memory
The area where your computer stores data. Memory contents can
be permanent and inalterable (ROM) or temporary (RAM).
Memory module
A small circuit board with an edge connector that contains
memory chips. You can add 256KB or 1MB memory modules to
the memory card inside the Equity 386 to expand the computer’s
memory. A memory module is commonly called a SIMM (single
inline memory module).
MGA
Monochrome Graphics Adapter. The type of display adapter that
can display monochrome text or 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.
Monitor
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.
Mouse
A hand-held pointing device with one or more buttons. When
you slide the mouse over a flat surface in a certain direction, the
cursor moves in the same direction on the screen.
10 Glossary