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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.
MS-DOS
Microsoft Disk Operating System. The operating system most
commonly used with your computer. See also
Operating system.
Multifrequency monitor
A monitor that accepts input at different frequencies and can
display a variety of resolutions.
Numeric keypad
The number and cursor control keys grouped to the right of the
keyboard.
12 Glossary