Glossary
© National Instruments G-5 NI PXI-8109 User Manual
MB Megabytes of memory.
MTBF Mean time between failure.
MTTR Mean time to repair.
N
NI-488 or NI-488.2 The National Instruments software for GPIB systems.
NI-DAQ The National Instruments software for data acquisition instruments.
NI-VISA The National Instruments implementation of the VISA standard—An
interface-independent software that provides a unified programming
interface for VXI, GPIB, and serial instruments.
NMI Non-maskable interrupt—High-priority interrupt that cannot be disabled.
It is used to report malfunctions such as parity, bus and math coprocessor
errors.
P
PCI Peripheral Component Interconnect—The PCI bus is a high-performance
32-bit or 64-bit bus with multiplexed address and data lines.
PCI Express Peripheral Component Interconnect Express—A faster, serialized version
of the PCI bus.
PCMCIA Personal Computer Memory Card International Association.
peripheral Any hardware device connected to a computer, such as a monitor,
keyboard, printer, plotter, disk or tape drive, graphics tablet, scanner,
mouse, and so on.
POSC Power On Self Configuration.
PXI PCI eXtensions for Instrumentation—An open implementation of
CompactPCI that adds electrical features that meet the high-performance
requirements of instrumentation applications by providing triggering,
local buses, and system clock capabilities. PXI also offers two-way
interoperability with CompactPCI products.
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