Glossary
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National Instruments Corporation
G-5
SCXI-1102/B/C User Manual
H
hex
hexadecimal
Hz
hertz—the number of scans read or updates written per second
I
in.
inches
indirect scanning
The measurement that occurs when a signal passes on the SCXIbus
from the scanned SCXI module to the cabled SCXI module
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
LED
light-emitting diode
LSB
least significant bit
M
MB
megabytes of memory
MSB
most significant bit
N
NC
not connected (signal)
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