Glossary
mode: A method of operation, for example, the Shut Down Mode, Sleep Mode or the Hibernation Mode.
modem: Derived from modulator/demodulator, a device that converts (modulates) digital data for transmission over telephone lines and then converts modulated data (demodulates) to digital format where received.
monitor: A device that uses rows and columns of pixels to display alphanumeric characters or graphic images. See also CRT.
motherboard: A name sometimes used to refer to the main printed circuit board in processing equipment. It usually contains integrated circuits that perform the processor’s basic functions and provides connectors for adding other boards that perform special functions.
MP3: An audio compression standard that enables
N
network: A collection of computers and associated devices that are connected by communications facilities. A network allows you to share data and peripheral devices, such as printers, with other users and to exchange electronic mail.
nonvolatile memory: Memory, usually
numeric keypad overlay: A feature that allows you to use certain keys on the keyboard to perform numeric entry, or to control cursor and page movement.
O
OCR: Optical Character Recognition (reader). A technique or device that uses laser or visible light to identify characters and input them into a storage device.
online state: A functional state of a peripheral device when it is ready to receive or transmit data.
operating system: A group of programs that controls the basic operation of a computer. Operating system functions include interpreting programs, creating data files, and controlling the transmission and receipt (input/output) of data to and from memory and peripheral device.
output: The results of a computer operation. Output commonly indicates data 1) printed on paper, 2) displayed at a terminal, 3) sent through the serial port of internal modem, or 4) stored on some magnetic media.
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