represents one of the non-negative integers smaller
than
the radix.
For
example, in decimal notation, a digit
is
one
of
the characters 0
to 9.
digital.
(1)
Pertaining
to
data
in the form
of
digits. (2) Contrast
with analog.
DIN. Deutsche Industrie Norm.
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.
Glossary-10
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