Toshiba A10 Series User Manual download pdf (Page 242)

Glossary-2

GLOSSARY

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.

ASCII: American Standard Code for

Information Interchange. ASCII code is

a set of 256 binary codes that represent

the most commonly used letters,

numbers, and symbols.

async: Short for asynchronous.

asynchronous: Lacking regular time

relationship. As applied to computer

communications, asynchronous refers

to the method of transmitting data that

does not require a steady stream of

bits to be transmitted at regular time

intervals.

(Abbreviations continued)

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.

Adaptor

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