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Glossary
R Series Intelligent DAQ User Manual G-4 © National Instruments Corporation
DIO Digital input/output.
DIO<i> Digital input/output channel signal.
DMA Direct memory access—A method by which data can be transferred
to/from computer memory from/to a device or memory on the bus while the
processor does something else. DMA is the fastest method of transferring
data to/from computer memory.
DNL Differential nonlinearity—A measure in LSB of the worst-case deviation of
code widths from their ideal value of 1 LSB.
DO Digital output.
E
EEPROM Electrically erasable programmable read-only memory—ROM that can be
erased with an electrical signal and reprogrammed.
F
FPGA Field-Programmable Gate Array.
FPGA VI A configuration that is downloaded to the FPGA and that determines the
functionality of the hardware.
G
glitch An unwanted signal excursion of short duration that is usually unavoidable.
H
hHour.
HIL Hardware-in-the-loop.
Hz Hertz.