Texas Instruments TravelMate 3000 User Manual page 184

Glossary
6 Glossary
data - Information that is input to your computer and is 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 medium.
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.
device driver -The small programs used to control external devices or to run other
programs. A device driver directs production, manipulation, and presentation of
appropriate signals by the computer so that the external device will perform as required.
diagnostics programs - The programs that test the components of your computer to verify
proper operation or to diagnose problems.
directory - The list of all files, which itself is a file, on your computer storage medium for
easy reference.
disk controller - A device that controls how information is transferred between the
system unit and the hard disk or diskette drives.