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Toshiba Tecra A5 User Manual

Page 177

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TOSHIBA A5

Glossary-7

Glossary

N

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

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
devices.

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.

P

parity: 1) The symmetrical relationship between two parameter values

(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.

peripheral device: An I/O device that is external to the central processor

and/or main memory such as a printer or a mouse.

pixel: A picture element. The smallest dot that can be made on a display

or printer. Also called a pel.

plug and play: A capability with Windows that enables the system to

automatically recognize connections of external devices and make
the necessary configurations in the computer.

port: The electrical connection through which the computer sends and

receives data to and from devices or other computers.

prompt: A message the computer provides indicating it is ready for or

requires information or an action from you.

R

Random Access Memory (RAM): High speed memory within the computer

circuitry that can be read or written to.

restart: Resetting a computer without turning it off (also called “warm boot”

or “soft reset”). See also boot.

RJ11: A modular telephone jack.

RJ45: A modular LAN jack.