IBM AT 5170 Technical Reference page 457

digital. (1)
Pertaining to data in the form of digits. (2) Contrast
with analog.
DIN. Deutsche Industrie Noml.
r"'\ DIN connector. One of the connectors specified by the DIN
committee.
DIP. Dual in-line package.
DIP switch. One of a set of small switches mounted in a dual
in-line package.
direct current (de). A current that always flows in one direction.
direct memory access
(DMA).
A method of transferring data
between main storage and I/O devices that does not require
processor intervention.
disable. To stop the operation of a circuit or device.
disabled. Pertaining to a state of a processing unit that prevents
the occurrence of certain types of interruptions. Synonymous with
masked.
disk. Loosely, a magnetic disk.
diskette. A thin, flexible magnetic disk and a semirigid
protective jacket, in which the disk is permanently enclosed.
Synonymous with flexible disk.
diskette drive. A device for storing data on and retrieving data
from a diskette.
display.
(1)
A visual presentation of data. (2) A device for
visual presentation of information on any temporary character
imaging device. (3) To present data visually. (4) See cathode ray
1"", tube display.
Glossary-tt