Texas Instruments TravelMate 2000 - Manual (Page 189)

Glossary
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 system assumes as a response to a prompt, unless instructed otherwise.
device driver - 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 system so that the external device Wm
perform as required.
diagnostics programs - Programs that test the components of your system to verify proper operation or to diagnose
problems.
directory - The list of all files, which is itself a file, on your system storage medium for easy reference.
disk controller - A device that controls how information is transfer-red between the system unit and the hard disk or
diskette drives.
DIP switches - A pair of switches in your computer that allow you to control certain operating features, such as beeps,
parity settings, etx.
diskette - See floppy diskette.
diskette drive - A device that rotates a diskette and accesses its data by means of a read-write head.
DOS - Disk operating system
6 Glossary