Toshiba PORTEGE R400 User Manual page 192

Glossary
peripheral device: An I/O device that is external to the central processor
pixel: A picture element. The smallest dot that can be made on a display or
plug and play: A capability with Windows that enables the system to
port: The electrical connection through which the computer sends and
Power Saver: A TOSHIBA utility that lets you set the parameters for
printed circuit board (PCB): A hardware component of a processor to
program: A set of instructions a computer can execute that enables it to
prompt: A message the computer provides indicating it is ready for or
R
Radio frequency interference (RFI) shield: A metal shield enclosing the
Random Access Memory (RAM): High speed memory within the
restart: Resetting a computer without turning it off (also called "warm boot"
RGB: Red, green, and blue. A device that uses three input signals, each
RJ45: A modular LAN jack.
ROM: Read Only Memory: A nonvolatile memory chip manufactured to
Glossary-12
and/or main memory such as a printer or a mouse.
printer. Also called a pel.
automatically recognize connections of external devices and make
the necessary configurations in the computer.
receives data to and from devices or other computers.
various power-saving functions.
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.
achieve a desired result. See also application.
requires information or an action from you.
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.
computer circuitry that can be read or written to.
or "soft reset"). See also boot.
activating an electron gun for a primary additive color (red, green,
and blue) or port for using such a device. See also CRT.
contain information that controls the computer's basic operation.
You cannot access or change information stored in ROM.
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