Toshiba mini NB200 series User Manual page 123

A
adaptor: A device that provides a compatible connection between two
alphanumeric: Keyboard characters including letters, numbers and other
alternating current (AC): Electric current that reverses its direction of
analog signal: A signal whose characteristics such as amplitude and
application: A group of programs that together are used for a specific
ASCII: American Standard Code for Information Interchange. ASCII code
asynchronous: Lacking regular time relationship. As applied to computer
B
backup: A copy of a file, usually on a removable disk, kept in case the
binary: The base two number system composed of zeros and ones (off or
BIOS: Basic Input/Output System. The firmware that controls data flow
bit: Derived from "binary digit," the basic unit of information used by the
Bluetooth: A short-range radio technology designed to simplify wireless
User's Manual
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.
symbols, such as punctuation marks or mathematical symbols.
flow at regular intervals.
frequency vary in proportion to (are an analog of) the value to be
transmitted. Voice communications are analog signals.
task suc7h as accounting, financial planning, spreadsheets, word
processing and games.
is a set of 256 binary codes that represent the most commonly
used letters, numbers, and symbols.
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.
original file is lost or damaged.
on), used by most digital computers. The right-most digit of a binary
number has a value of 1, the next a value of 2, then 4, 8, 16, and so
on. For example, the binary number 101 has a value of 5. See also
ASCII.
within the computer. See also firmware.
computer. It is either zero or one. Eight bits is one byte. See also
byte.
communication among computers, communication devices and the
Internet.
Glossary
Glossary-3