Glossary
PXI-8150 Series User Manual
G-6
© National Instruments Corporation
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 g
RMS
.
RTC
Real Time Clock; an electronic circuit that maintains the time of day,
and can also 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.
ST
Start Trigger
Star Trigger Slot
This slot is located at Slot 2 in a PXI mainframe and has a dedicated
trigger line between each peripheral slot. This slot would be used for a
module with ST functionality that can provide individual triggers to all
other peripherals.
U
USB
Universal Serial Bus
