Glossary
NI8171 Series User Manual G-4 ni.com
instrument driver A seto f routines designed to control a specific instrument or family of
instruments, and anynecessary related files for LabWindows/CVI or
LabVIEW
interrupt A means for a deviceto request serv ice from another device
interrupt level The relativepriority at which a device can interrupt
I/O input/output; the techniques, media, and devices used to achieve
communication betweenmachines and users
IRQ* Interrupt signal
ISA IndustryStandard Architecture; the original PC busarchitecture,
specificallythe 16-bit AT bus
K
KB kilobytes of memory
L
LAN Local Area Network; communications network that serves users within a
confinedgeographical area. It is made up of servers, workstations, a
networkoperating syst em, and a communications link.
LED light-emitting diode
M
m meters
master A functional part of a PXI devicethat ini tiates data transfers on the PXI
backplane.A transfer can be either a read or a write.
MB megabytes of memory
MTBF Meantime between failure
MTTR Meantime to repair