Glossary
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National Instruments Corporation
G-5
N
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
P
PCI
Peripheral Component Interconnect. The PCI bus is a high-performance
32-bit or 64-bit bus with multiplexed address and data lines.
PEF
Platform Event Filter
PIO
Programmed Input/Output
POSC
Power On Self Configuration
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
RAS
Row Address Strobe
RMS
Root Mean Squared
RTC
Real Time Clock; an electronic circuit that maintains the time of day and
also can provide timing signals for timesharing operations