Toshiba SATELLITE P500 - Manual (Page 197)

User’s Manual Glossary-12
Glossary
peripheral: Any device, such as a printer or joystick, that is attached to the
computer and controlled by the computer's CPU.
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.
pointing device: Any device, such as the TouchPad or a mouse, that
enables you to move the cursor on the screen.
port: The electrical connection through which the computer sends and
receives data to and from devices or other computers.
Power Saver: A TOSHIBA utility that lets you set the parameters for
various power-saving functions.
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): Volatile memory that can be written to
as well as read. Volatile here means that information in RAM is lost
when you turn off your computer. This type of memory is used for
your computer's main memory. See also memory. Compare ROM.
resolution: A measure of the sharpness of the images that can be
produced by a printer or displayed on a screen. For a printer,
resolution is expressed in dots per inch (dpi). For a screen, it is
expressed as the number of pixels available horizontally and
vertically
restart: Resetting a computer without turning it off (also called "warm
boot", "soft reset" or "reboot"). 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.
RJ45: A modular LAN jack.