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User’s Manual Glossary-13
PORTÉGÉ M750
S
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 communications: A communications technique that uses as few as
two interconnecting wires to send bits one after another.
serial interface: Refer to a type of information exchange that transmits
information sequentially, one bit at a time.
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.
subpixel: Three elements, one red, one green and blue (RGB), that make
up a pixel on the color LCD. The computer sets subpixels
independently, each may emit a different degree of brightness.
See also pixel.
synchronous: Having a constant time interval between successive bits,
characters or events.
system disk: A disk that has been formatted with an operating system. You
can boot a computer using a system disk. Also called an operating
system disk or bootable 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.
Touch Pad: A pointing device integrated into the TOSHIBA computer palm
rest.