Toshiba TECRA M5 User Manual page 232

Glossary
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
SD card: Secure Digital cards are flash memory widely used in a variety of
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
Glossary-12
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.
digital devices such as digital cameras and Personal Digital
Assistants.
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.
User's Manual