National Instruments PXI NI PXI-8105 User Manual

Page 67

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Glossary

NI PXI-8105 User Manual

G-6

ni.com

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.

resource

Hardware settings used by devices in a computer system, including
ISA interrupt level, DMA channel, and I/O address.

RMS

Root mean squared. See also

g

rms

.

RTC

Real Time Clock—An electronic circuit that maintains the time of day and
also can provide timing signals for timesharing operations.

S

s

Seconds.

slave

A functional part of a PXI device that detects data transfer cycles initiated
by a PXI bus master and responds to the transfers when the address
specifies one of the device’s registers.

SO-DIMM

Small Outline Dual In-line Memory Module.

SRAM

Static RAM—A memory chip that requires power to hold its content. It
does not require refresh circuitry as a dynamic RAM chip, but it does take
up more space and uses more power.

U

USB

Universal Serial Bus.

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