beautypg.com

Toshiba Satellite L30 (PSL33) User Manual

Page 151

background image

User’s Manual

Glossary-2

Glossary

KB: kilobyte
LCD: liquid crystal display
LED: light emitting diode
LSI: large scale integration
MS-DOS: Microsoft

®

disk Operating System

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

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.

allocate: To assign a space or function for a specific task.
alphanumeric: Keyboard characters including letters, numbers and other

symbols, such as punctuation marks or mathematical symbols.

alternating current (AC): Electric current that reverses its direction of flow

at regular intervals.

analog signal: A signal whose characteristics such as amplitude and

frequency vary in proportion to (are an analog of) the value to be

transmitted. Voice communications are analog signals.