Glossary
NI 660x User Manual G-2 ni.com
asynchronous A property of an event that occurs at an arbitrary time, without
synchronization to a reference clock.
B
b bit—one binary digit, either 0 or 1.
B byte—eight related bits of data, an eight-bit binary number. Also used to
denote the amount of memory required to store one byte of data.
base address A memory address that serves as the starting address for programmable
registers. All other addresses are located by adding to the base address.
buffer A block of memory used to store measurement results.
buffered A type of measurement in which multiple measurements are made
consecutively and measurement results are stored in a buffer.
bus The group of conductors that interconnect individual circuitry in a
computer. Typically, a bus is the expansion vehicle to which I/O or
other devices are connected. Examples of PC buses are the AT, EISA,
and PCI bus.
C
CCelsius
clock Hardware component that provides timing for various device operations.
cm centimeters
CMOS complementary metal-oxide semiconductor
CompactPCI An electrical superset of the PCI bus architecture with a mechanical form
factor suited for industrial applications.
crosstalk An unwanted signal on one channel due to activity on a different channel.
current drive
capability
The amount of current a digital or analog output channel is capable of
sourcing or sinking while still operating within voltage range
specifications.
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