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Glossary
NI 8171 Series User Manual G-4 ni.com
instrument driver A set of routines designed to control a specific instrument or family of
instruments, and any necessary related files for LabWindows/CVI or
LabVIEW
interrupt A means for a device to request service from another device
interrupt level The relative priority at which a device can interrupt
I/O input/output; the techniques, media, and devices used to achieve
communication between machines and users
IRQ* Interrupt signal
ISA Industry Standard Architecture; the original PC bus architecture,
specifically the 16-bit AT bus
K
KB kilobytes of memory
L
LAN Local Area Network; communications network that serves users within a
confined geographical area. It is made up of servers, workstations, a
network operating system, and a communications link.
LED light-emitting diode
M
m meters
master A functional part of a PXI device that initiates data transfers on the PXI
backplane. A transfer can be either a read or a write.
MB megabytes of memory
MTBF Mean time between failure
MTTR Mean time to repair