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Toshiba Computer L300 User Manual

Page 179

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User’s Manual

Glossary-11

L300/L300D series

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.

password: A unique string of characters used to identify a specific user.

The computer provides various levels of password protection such

as user and supervisor.

pel: The smallest area of the display that can be addressed by software.

Equal in size to a pixel or group of pixels. See pixel.

peripheral component interconnect: An industry standard 32-bit bus.
peripheral device: An I/O device that is external to the central processor

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

Péritel: Péritel is a 21-pin connecting cable/port system that allows images

and high-quality stereo sound (including Dolby

®

Pro-Logic sound

formats) to be sent from one audio-visual device to another. It is also

known as a “SCART connector” or “Euro connector”.

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.

Power Saver Utility: A TOSHIBA utility that lets you set the parameters for

various power-saving functions.

printed circuit board (PCB): A hardware component of a processor to

which integrated circuits and other components are attached. The

board itself is typically flat and rectangular, and constructed of

fiberglass, to form the attachment surface.

program: A set of instructions a computer can execute that enables it to

achieve a desired result. See also application.

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

requires information or an action from you.

R

Radio frequency interference (RFI) shield: A metal shield enclosing the

printed circuit boards of the printer or computer to prevent radio and

TV interference. All computer equipment generates radio frequency

signals. The FCC regulates the amount of signals a computing

device can allow past its shielding. A Class A device is sufficient for

office use. Class B provides a more stringent classification for home

equipment use. TOSHIBA portable computers comply with Class B

computing device regulations.

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

computer circuitry that can be read or written to.