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 tube
display.
display attribute. In computer graphics, a particular property that
is
assigned to all or part of a display; for example, low intensity,
green color, blinking status.
DMA. Direct memory access.
dot matrix. (1) In computer graphics, a two-dimensional pattern
of
dots used for constructing a display image. This type of matrix
can
be
used to represent characters by dots. (2) In word
processing, a pattern of dots used to form characters. This term
normally refers to a small section of a set of addressable points;
for example, a representation of characters by dots.
dot printer. Synonym for matrix printer.
~
dot-matrix character generator. In computer graphics, a character
generator
that
generates character images composed
of
dots.
DSR. Data set ready. Associated with modem control.
DTR.
In
the IBM Personal Computer, data terminal ready.
Associated with modem control.
dual in-line package (DIP). A widely used container for
an
integrated circuit. DIPs have pins in two parallel rows. The pins
are spaced
1/10
inch apart. See also DIP switch.
duplex. (1) In
data
communication, pertaining to a simultaneous
two-way independent transmission in
both
directions. (2)
~
Contrast with half-duplex.
duty cycle. In the operation of a device, the ratio of on time to
idle time. Duty cycle
is
expressed as a decimal or percentage.
Glossary-tt
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