Toshiba Satellite Pro U400 - Manual (Page 171)

User’s Manual Glossary-12
Glossary
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.
S
S/P DIF: A standard of digital interface for audio.
SCSI: Small Computer System Interface is an industry standard interface
for connection of a variety of peripheral devices.
SD/SDHC Card: Secure Digital cards are flash memory widely used in a
variety of digital devices such as digital cameras and Personal
Digital Assistants.
serial: Processes that occur one at a time. In communications, it means
the transmission of one bit at a time sequentially over a single
channel. On your computer, the serial port provides a serial
interface between the computer and an appropriate device.
Compare parallel.
SIO: Serial Input/Output. The electronic methodology used in serial data
transmission.
soft key: Key combinations that emulate keys on the IBM keyboard,
change some configuration options, stop program execution, and
access the numeric keypad overlay.
software: The set of programs, procedures and related documentation
associated with a computer system. Specifically refers to computer
programs that direct and control the computer system’s activities.
See also hardware.
stop bit: One or more bits of a byte that follow the transmitted character or
group codes in asynchronous serial communications.
system disk: A diskette that contains the operating system files needed to
start the computer. Any diskette can be formatted as a system disk.
A system disk is also called a "bootable disk", "boot disk" or a
"startup disk." Compare non-system disk.
T
terminal: A typewriter-like keyboard and CRT display screen connected to
the computer for data input/output.
TFT display: A liquid crystal display (LCD) made from an array of liquid
crystal cells using active-matrix technology with thin film transistor
(TFT) to drive each cell.