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bit
Binary digit. The smallest unit of computer data.
bits per second
(bps) A unit of transmission. Also called baud rate.
board
Printed circuit board (PCB). Board on which computer
components are soldered and thin wires are printed to
connect the components.
boot
To start up a computer. See cold boot and warm boot.
bus
An electronic circuit within a computer used for transmit-
ting data or electrical power from one device to another.
byte
Group of eight contiguous bits.
C
CD
Compact disc. A polished metal platter capable of storing
digital information. The most prevalent types of compact
disks or those used by the music industry to store digital re-
cordings and CDs used to store computer data. Both types
are read-only, which means that once the data is recorded
onto them, they can only be read or played.
CD audio
Also called digital audio, uses the same format as conven-
tional music CDs. CD audio sounds have been digitized at a
high sampling rate.
2 Glossary
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