© National Instruments
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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.
