Glossary
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National Instruments Corporation
G-3
SC-2345/2350 Carrier User Manual
D
DAC
digital-to-analog converter—an electronic device, often an integrated
circuit, that converts a digital number into a corresponding analog voltage
or current
DAQ
data acquisition—(1) collecting and measuring electrical signals from
sensors, transducers, and test probes or fixtures and inputting them to a
computer for processing; (2) collecting and measuring the same kinds of
electrical signals with A/D and/or DIO boards plugged into a computer,
and possibly generating control signals with D/A and/or DIO boards in the
same computer
DAQ device
a plug-in data acquisition board, card, or pad that can contain multiple
channels and conversion devices. Plug-in boards and PCMCIA cards are
examples of DAQ devices.
DAQCard
a data acquisition device on a PCMCIA card
DAQPad
a data acquisition device that uses the IEEE 1394 bus architecture
DC
direct current
drop-down listbox
a graphical box with a down arrow button that lets you select values or
options from a list. To select a value or option in the selection box, click the
down arrow for a complete list values or options, then use your arrow keys
or mouse to select a value or option from the list.
E
E Series
a standard architecture for instrumentation-class, multichannel data
acquisition devices
EMI
electromagnetic interference
EXT REF
external reference signal
EXTSTROBE
external strobe signal