Glossary
G-6
ni.com
I
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
in.
inches
INL
integral nonlinearity—a measure in LSB of the worst-case deviation from
the ideal A/D or D/A transfer characteristic of the analog I/O circuitry
input bias current
the current that flows into the inputs of a circuit
input impedance
the resistance and capacitance between the input terminals of a circuit
input offset current
the difference in the input bias currents of the two inputs of an
instrumentation amplifier
instrumentation
amplifier
a circuit whose output voltage with respect to ground is proportional to the
difference between the voltages at its two high impedance inputs
interrupt
a computer signal indicating that the CPU should suspend its current task
to service a designated activity
I
OH
current, output high
I
OL
current, output low
K
k
kilo—the standard metric prefix for 1,000, or 10
3
, used with units of
measure such as volts, hertz, and meters
kS
1,000 samples
L
LabVIEW
Laboratory Virtual Instrument Engineering Workbench—a program
development application based on the programming language G and used
commonly for test and measurement purposes
LED
light-emitting diode
