Glossary
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S
SATA Serial-ATA. See also ATA.
SCSI Small Computer System Inteface
SDRAM
A form of dynamic RAM memory that is about 20% faster than EDO
RAM. SDRAM interleaves two or more internal memory arrays so
that while one array is being accessed, the next one is being prepared
for access. SDRAM-II is a faster version of SDRAM technology.
SO-DIMM Small Outline Dual In-line Memory Module
SPD Serial Presence Detect EEPROM
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
UDMA Ultra Direct Memory Access. See also DMA.
USB Universal Serial Bus
V
V Volts
VGA Video Graphics Array—The minimum video display standard for all
PCs.
VISA Virtual Instrument Software Architecture—A single interface library
for controlling GPIB, VXI, RS232, and other types of instruments.
VISA has been standardized by the VXI Plug&Play Systems Alliance.
VME Versa Module Eurocard
VXI
VME eXtensions for Instrumentation
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