Bit
A binary digit (0 or 1). The smallest unit of information a
computer can process and store. The value of a bit represents a
single electrical pulse through a circuit, or a small spot on a
disk, that contains either a 0 or a 1.
Boot
The process a computer performs to start itself up, check its
components, and then load the operating system into its
memory.
Bus
A wire or group of wires that sends information from
component to component in the computer. The speed of a bus
increases by the number and width of the channels the bus uses
to move data.
Byte
A sequence of eight bits of data that represent one character.
See also
Bit
and
Character.
Cache
A high-speed type of memory buffer that stores frequently
used data where your microprocessor can access it faster.
Your computer includes 8KB of internal cache.
CGA
Color Graphics Adapter. A type of display adapter card that
can generate up to 25 lines of text with 80 characters on each
line, two-color graphics at 640 x 200 resolution, or four-color
graphics at 320 x 200 resolution.
Glossary 3
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