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Toshiba A40 Series User Manual

Page 270

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Glossary-2

G

LOSSARY

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.

ANSI: American National Standards
Institute. An organization established
to adopt and define standards for a
variety of technical disciplines. For
example, ANSI defined the ASCII
standard and other information
processing requirements.

antistatic: A material used to prevent
the buildup of static electricity.

application: A group of programs
that together are used for a specific
task such as accounting, financial
planning, spreadsheets, word process-
ing and games.

RAM: random access memory

RGB: red, green, and blue

(Abbreviations continued)

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

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

adaptor