daisy-chained cable. A type of cable that has two
or
more
connectors attached in series.
data.
(1)
A representation of facts, concepts, or instructions in a
formalized manner suitable for communication, interpretation, or
processing
by
human or automatic means. (2) Any
representations, such
as
characters
or
analog quantities, to which
meaning is, or might be assigned.
data base. A collection of data that can be immediately accessed
and operated upon by a data processing system for a specific
purpose.
data processing system. A system that performs input, processing,
storage, output, and control functions to accomplish a sequence
of operations on data.
data transmission. Synonym for transmission.
dB.
Decibel.
dBa. Adjusted decibels.
dc. Direct current.
debounce.
An
electronic means of overcoming the
make/break
bounce of switches to obtain one smooth change of signal level.
decibel. (1) A unit that expresses the ratio
of
two power levels
on
a logarithmic scale. (2) A unit for measuring relative power.
decoupliog capacitor. A capacitor that provides a low impedance
path to ground to prevent common coupling between circuits.
Deutsche Industrie Norm (DIN).
(1)
German Industrial Norm.
(2) The committee that sets German dimension standards.
digit.
(1)
A graphic character that represents an integer; for
example, one of the characters 0 to
9.
(2) A symbol that
Glossary-9
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