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Toshiba Portege R200 (PPR20) User Manual

Page 172

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PORTÉGÉ R200

Glossary-2

Glossary

IrDA: Infrared Data Association
IRQ: interrupt request
KB: kilobyte
LCD: liquid crystal display
LED: light emitting diode
LSI: large scale integration
MB: megabyte
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
WXGA: wide extended graphics array
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.