Toshiba PLL23U-00U01C User Manual - Page 130

American Standard Code for Information Interchange. ASCII code, analog signal, application, ASCII

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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. application: A group of programs that together are used for a specific task such as accounting, financial planning, spreadsheets, word processing 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. 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. B backup: A copy of a file, usually on a removable disk, kept in case the original file is lost or damaged. binary: The base two number system composed of zeros and ones (off or 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. BIOS: Basic Input/Output System. The firmware that controls data flow within the computer. See also firmware. bit: Derived from "binary digit", the basic unit of information used by the computer. It is either zero or one. Eight bits is one byte. See also byte. Bluetooth: A short-range radio technology designed to simplify wireless communication among computers, communication devices and the Internet. board: A circuit board. An internal card containing electronic components, called chips, which perform a specific function or increase the capabilities of the system. boot disk: See system disk. boot: Short for bootstrap. A program that starts or restarts the computer. The program reads instructions from a storage device into the computer's memory. bootable disk: See system disk. bps: Bits per second. Typically used to describe the data transmission speed of a modem. buffer: The portion of the computer's memory where data is temporarily stored. Buffers often compensate for differences in the rate of flow from one device to another. User's Manual Glossary-3

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User’s Manual
Glossary-3
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.
application:
A group of programs that together are used for a specific task
such as accounting, financial planning, spreadsheets, word
processing 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.
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.
B
backup:
A copy of a file, usually on a removable disk, kept in case the
original file is lost or damaged.
binary:
The base two number system composed of zeros and ones (off or
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.
BIOS:
Basic Input/Output System. The firmware that controls data flow
within the computer.
See also
firmware.
bit:
Derived from "binary digit", the basic unit of information used by the
computer. It is either zero or one. Eight bits is one byte.
See also
byte.
Bluetooth:
A short-range radio technology designed to simplify wireless
communication among computers, communication devices and the
Internet.
board:
A circuit board. An internal card containing electronic components,
called chips, which perform a specific function or increase the
capabilities of the system.
boot disk:
See system disk.
boot:
Short for bootstrap. A program that starts or restarts the computer.
The program reads instructions from a storage device into the
computer’s memory.
bootable disk:
See system disk.
bps:
Bits per second. Typically used to describe the data transmission
speed of a modem.
buffer:
The portion of the computer’s memory where data is temporarily
stored. Buffers often compensate for differences in the rate of flow
from one device to another.