Glossary
G-2
www.ni.com
dB
decibel
DC
direct current
device
a plug-in board, card, or pad that can contain multiple channels and
conversion devices. Some examples of devices are computers,
multimeters, multiplexers, oscillators, operator interfaces, and
counters.
digital multimeter
a multifunction meter used to make measurements such as voltage, current,
resistance frequency, temperature, and so on
DMM
See digital multimeter
drivers/driver software
software that controls a specific hardware device such as a switch card
G
g
gram
H
Hz
hertz—the number of scans read or updates written per second
I
isolation
a measure of the amount of cross-talk between channels
IVI
Interchangeable Visual Instrument
in.
inches
M
m
meter
MB
megabytes of memory
multiplexer
a switching device with multiple inputs that sequentially connects each
of its inputs to its output, typically at high speeds, in order to measure
several signals with a single analog input channel