Toshiba Satellite L550 - Manual (Page 178)

Glossary-2 User’s Manual
L550/L555/L550D/L555D
I/O: input/output
IrDA: Infrared Data Association
IRQ: interrupt request
KB: kilobyte
LAN: local area network
LCD: liquid crystal display
LED: light emitting diode
MB: megabyte
MMC: multi media card
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
S/P DIF: Sony/Philips Digital Interface Format
SDRAM: synchronous dynamic random access memory
SLI: Scalable Link Interface
SIM: Subscriber Identity Module
SO-DIMM: small-outline dual in line memory module
TFT: thin-film transistor
UART: universal asynchronous receiver/transmitter
USB: Universal Serial Bus
UWB: Ultra Wide Band
VESA: Video Electronic Standards Association
VGA: video graphics array
XGA: extended graphics array
A
adaptor: A device that provides a compatible connection between two
units. For example, the computer’s internal display adapter receives
information from the software and translates it into images on the
screen. An adapter can take a number of forms, from a
microprocessor to a simple connector: An intelligent adapter
(one that is capable of doing some processing) may also be called a
controller.
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.