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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.
Memory
The area where your computer stores data. Memory contents
are stored permanently (in ROM) or temporarily (in RAM).
Memorymodule
A small circuit board that contains memory chips. You can
add 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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Glossary