Filter
Top Products
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