Toshiba Satellite L20 Series User Manual page 176

Glossary
LED: light emitting diode
LSI: large scale integration
MS-DOS: Microsoft
OCR: optical character recognition (reader)
PCB: printed circuit board
PCI: peripheral component interconnect
RAM: random access memory
RGB: red, green, and blue
ROM: read only memory
RTC: real time clock
SCSI: small computer system interface
SIO: serial input/output
SXGA+: super extended graphics array plus
TFT: thin-film transistor
UART: universal asynchronous receiver/transmitter
USB: Universal Serial Bus
UXGA: ultra extended graphics array
VESA: Video Electronic Standards Association
VGA: video graphics array
VRT: voltage reduction technology
XGA: extended graphics array
A
adaptor: A device that provides an interface between two dissimilar
allocate: To assign a space or function for a specific task.
alphanumeric: Keyboard characters including letters, numbers and other
alternating current (AC): Electric current that reverses its direction of flow
analog signal: A signal whose characteristics such as amplitude and
ANSI: American National Standards Institute. An organization established
antistatic: A material used to prevent the buildup of static electricity.
Glossary-2
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Disk Operating System
electronic devices. For example, the AC adaptor modifies the power
from a wall outlet for use by the computer. This term also refers to
the add-in circuit cards that control external devices, such as video
monitors and magnetic tape devices.
symbols, such as punctuation marks or mathematical symbols.
at regular intervals.
frequency vary in proportion to (are an analog of) the value to be
transmitted. Voice communications are analog signals.
to adopt and define standards for a variety of technical disciplines.
For example, ANSI defined the ASCII standard and other
information processing requirements.
User's Manual