Toshiba Satellite L20 Series User Manual page 185

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
RJ11: A modular telephone jack.
RJ45: A modular LAN jack.
ROM: Read Only Memory: A nonvolatile memory chip manufactured to
S
SCSI: Small Computer System Interface is an industry standard interface
serial communications: A communications technique that uses as few as
serial interface: Refers to a type of information exchange that transmits
SIO: Serial Input/Output. The electronic methodology used in serial data
soft key: Key combinations that emulate keys on the IBM keyboard,
software: The set of programs, procedures and related documentation
stop bit: One or more bits of a byte that follow the transmitted character or
subpixel: Three elements, one red, one green and blue (RGB), that make
synchronous: Having a constant time interval between successive bits,
User's Manual
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.
for connection of a variety of peripheral devices.
two interconnecting wires to send bits one after another.
information sequentially, one bit at a time. Contrast: Parallel
interface.
transmission.
change some configuration options, stop program execution, and
access the numeric keypad overlay.
associated with a computer system. Specifically refers to computer
programs that direct and control the computer system's activities.
See also hardware.
group codes in asynchronous serial communications.
up a pixel on the color LCD. The computer sets subpixels
independently, each may emit a different degree of brightness. See
also pixel.
characters or events.
Glossary
Glossary-11