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CPU — See central processing unit.
CRT — Abbreviation for cathode ray tube, a common term
for a television-like computer monitor.
CRT adapter — A hardware option that allows you to use a
CRT with your computer.
cursor — A special graphic character on the screen (usually
a block or underline shape, sometimes blinking) that
indicates the next position at which a character will be
entered or deleted from the keyboard.
customize — See configure.
data — Information entered into your computer and then
processed by mathematical and logical operations so that,
ultimately, it can be output in a sensible form. It usually
consists of numerals, letters, or symbols that describe an
object, idea, condition, relationship, or other information.
data base — A collection of related information; usually a
large number of data files stored in one or more storage
media.
data file — A grouping of information with common
descriptive attributes. For example, a customer data file
might consist of basic customer information. Each file
might represent one customer.
data processing — The input, storage, manipulation, and
dissemination of information using sequences of
mathematical and logical operations.
default value — A value that your computer assumes as a
response to a prompt, unless instructed otherwise.
Glossary
6 Glossary