National Instruments NI 5620 用户手册
Glossary
© National Instruments Corporation
G-5
input bias current
the current that flows into the inputs of a circuit
input impedance
the measured resistance and capacitance between the input terminals of a
circuit
circuit
instrument driver
a set of high-level software functions that controls a specific plug-in DAQ
board. Instrument drivers are available in several forms, ranging from a
function callable language to a virtual instrument (VI) in LabVIEW.
board. Instrument drivers are available in several forms, ranging from a
function callable language to a virtual instrument (VI) in LabVIEW.
interrupt
a computer signal indicating that the CPU should suspend its current task
to service a designated activity
to service a designated activity
interrupt level
the relative priority at which a device can interrupt
ISA
industry standard architecture
L
LabVIEW
a graphical programming language
LSB
least significant bit
M
m
meters
M
(1) Mega, the standard metric prefix for 1 million or 10
6
, when used with
units of measure such as volts and hertz; (2) mega, the prefix for 1,048,576,
or 2
or 2
20
, when used with B to quantify data or computer memory
MB
megabytes of memory
MITE
MXI Interface to Everything—a custom ASIC designed by NI that
implements the PCI bus interface. The MITE supports bus mastering for
high-speed data transfers over the PCI bus.
implements the PCI bus interface. The MITE supports bus mastering for
high-speed data transfers over the PCI bus.
multiple-record
acquisition
acquisition
multiple, distinct chunks (or records) of data