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Glossary
© National Instruments Corporation G-5 NI PXI-8184/8185 User Manual
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 by
another interrupt. 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.
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
POST Power On Self Test
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.
R
RAM Random Access Memory; the computer’s primary workspace
RAMDAC Random Access Memory Digital to Analog Converter; the VGA controller
chip that maintains the color palette and converts data from memory into
analog signals for the monitor