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Glossary
NI PXI-8108 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.