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Glossary
backing up -
Duplicating a program or file onto a separate storage medium so that a copy will be preserved against
possible loss or damage to the original.
backup -
A duplicate copy of information or programs; usually stored on a diskette and kept in a separate location in
case the original is lost or damaged.
BASIC -
An acronym for Beginner's AR-purpose Symbolic Code; a programming language widely used because many
of its commands resemble everyday language.
battery -
A self-contained cell that provides power to your computer.
battery pack -
An optional power source that can be affixed to your computer to provide additional power.
baud -
A signal element change per second. If a signal element change has only one bit, baud equals bits per second.
binary -
A system of numbering that uses patterns of only zero's and one's. Each item of information, whether a letter,
graphic symbol, or an instruction, is converted to a binary number before it is processed by your computer.
BIOS -
An acronym for Basic Input-Output System; instructions stored in read-only memory (ROM) at the factory that
check hardware components and load the computer operating system (MS-DOS, for example) into the computer when
you boot it.
bit -
A binary digit (0 or 1); the smallest unit of information used by your system.
bits per second -
The speed at which your system receives or sends data to a device such as a modem or serial
printer.
boot -
To start your system; also called start- up and power up.
bps -
See bits per second.
2 Glossary