Glossary
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National Instruments Corporation
G-5
I/O
input/output—the transfer of data to/from a computer system involving
communications channels, operator interface devices, and/or data
acquisition and control interfaces
ISA
Industry Standard Architecture
L
lowpass filter
a filter that passes signals below a cutoff frequency while blocking signals
above that frequency
LSB
least significant bit
M
max
maximum
MCH
multiplexed channel
MIO device
refers to the multifunction I/O DAQ devices that have MIO or 60XX in their
names
MSB
most significant bit
mux
multiplexer
N
NC
not connected (signal)
NI-DAQ
the driver software needed in order to use National Instruments DAQ
devices and SCXI components
NMR
normal-mode rejection
nonlinearity
a measure, in percent of full-scale range, of the worst-case deviation from
the ideal transfer function of an amplifier, which is a straight line
NRSE
nonreferenced single-ended mode—all measurements are made with
respect to a common (NRSE) measurement system reference, but the
voltage at this reference can vary with respect to the measurement system
ground