Toshiba Satellite Pro A300D Series User Manual page 234

monitor: A device that uses rows and columns of pixels to display
motherboard: A name sometimes used to refer to the main printed circuit
N
non-system disk: A formatted floppy diskette you can use to store
nonvolatile memory: Memory, usually read-only (ROM), that is capable of
numeric keypad overlay: A feature that allows you to use certain keys on
O
OCR: Optical Character Recognition (reader). A technique or device that
online 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
P
PAL: PAL (Phase Alternating Line) is the dominant video and broadcasting
parity: 1) The symmetrical relationship between two parameter values
password: A unique string of characters used to identify a specific user.
User's Manual
alphanumeric characters or graphic images. See also 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.
programs and data but you cannot use to start the computer. See
system disk.
permanently storing information. Turning the computer's power off
does not alter data stored in nonvolatile memory.
the keyboard to perform numeric entry, or to control cursor and page
movement.
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.
standard in Europe.
(integers) both of which are either on or off; odd or even; 0 or 1.
2) In serial communications, an error detection bit that is added to a
group of data bits making the sum of the bits even or odd. Parity can
be set to none, odd, or even.
The computer provides various levels of password protection such
as user and supervisor.
Glossary
Glossary-10