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Megahertz
See MHz.
Memory
The area where the computer stores data. Memory contents may
be permanent (ROM) or temporary (RAM). See also ROM and
RAM.
Memory module
An optional card that adds 6MB of extended memory to your
computer. (Also called an extension memory module.)
Memory-resident program
A program that remains in RAM so you can access it while another
program is running.
MHz
Megahertz. A unit used to measure the oscillation frequency of a
computer’s internal timing clock. One megahertz is one million
cycles per second.
Microprocessor
A CPU chip, such as the 486SLC. See also CPU.
Modem
MOdulator/DEModulator. A serial device that allows the
computer to send and receive data over the telephone lines.
Monitor
A device that contains a screen and displays keyboard input and
other information. See also CRT.
8 Glossary