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Toshiba Qosmio G40 User Manual

Page 248

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Glossary-12

User’s Manual

Qosmio G40

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
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

PAL: PAL (Phase Alternating Line) is the dominant video and broadcasting

standard in Europe.

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.