Glossary
© National Instruments Corporation G-5 NI 660x User Manual
HW Save Register A register inside the NI-TIO ASIC that stores the result of a measurement.
Hz hertz—a unit of frequency. One hertz corresponds to one cycle or event per
second.
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
interrupt A computer signal indicating that the CPU should suspend its current task
to service a designated activity.
interrupt level The relative priority at which a device can interrupt.
IOH current, output high
IOL current, output low
IRQ interrupt request signal
ISA industry standard architecture
L
LabVIEW Laboratory Virtual Instrument Engineering Workbench, a National
Instruments graphical programming application.
M
m meters
max maximum
maximum timebase The fastest internal timebase available on a device. For NI 6601 devices,
the maximum timebase is 20 MHz. For NI 6602 devices, the maximum
timebase is 80 MHz.
min minimum
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