National Instruments NI 2590/2591 User Manual
Page 39

Glossary
© National Instruments Corporation
G-3
F
flyback voltage
the voltage spike generated the instant current stops flowing through an
inductor
H
handshaking
the use of two trigger lines between two instruments, such as a switch and
a DMM, to synchronize their actions
Hz
hertz—the number of scans read or updates written per second
I
in.
inches
Interchangeable
Virtual Instrument
an advanced architecture for instrument drivers that includes features such
as simulation and state caching
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
IVI
See Interchangeable Virtual Instrument.
N
NI-Switch
an IVI-based instrument driver that supports the National Instruments line
of switch modules
P
PXI
PCI with extensions for instrumentation