Toshiba PT831U-102T97 User Manual page 212

modem: Derived from modulator/demodulator, a device that converts
monitor: A device that uses rows and columns of pixels to display
motherboard: A name sometimes used to refer to the main printed circuit
MPEG: Moving picture coding expert group is an industry standard
N
non-system disk: A formatted diskette (floppy disk) you can use to store
non-volatile memory: Memory, usually read-only (ROM), that is capable
numeric keypad overlay: A feature that allows you to use certain keys on
O
OCR wand: A device that reads, using an optical device, hand written or
OCR: Optical Character Recognition (reader). A technique or device that
on-line state: A functional state of a peripheral device when it is ready to
operating system: A group of programs that controls the basic operation
output: The results of a computer operation. Output commonly indicates
Tecra S1 Series
(modulates) digital data for transmission over telephone lines and
then converts modulated data (demodulates) to digital format
where received.
alphanumeric characters or graphic images. See CRT.
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.
Sometimes called a main board.
architecture for compression of video signals.
programs and data but you cannot use to start the computer. See
system disk.
of permanently storing information. Turning the computer's power
off does not alter data stored in non-volatile memory.
the keyboard to perform numeric entry, or to control cursor and
page movement.
machine printed symbols into a computer. See also OCR.
uses laser or visible light to identify characters and input them into
a storage device.
receive or transmit data.
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
devices.
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.
Glossary
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