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User’s Manual Glossary-11
Glossary
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 Option Utility: A TOSHIBA utility that allows you to 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.
restart: Resetting a computer without turning it off (also called “warm boot”
or “soft reset”). See also boot.
RGB: Red, green and blue. A device that uses three input signals, each
activating an electron gun for a primary additive color (red, green
and blue) or port for using such a device. See also CRT.
RJ11: A modular telephone jack.
RJ45: A modular LAN jack.
ROM: Read Only Memory: A nonvolatile memory chip manufactured to
contain information that controls the computer’s basic operation.
You cannot access or change information stored in ROM.