National Instruments NI 6602, User Manual, Page: 50 / 60

Glossary
NI 660x User Manual G-2 ni.com
asynchrono u s A property of an event that occ u rs at an arbitrary time, witho u t
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 n u mber. Also u sed to
denote the amo u nt of memory req u ired 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.
b u ffer A block of memory u sed to store meas u rement res u lts.
b u ffered A type of meas u rement in which m u ltiple meas u rements are made
consec u tively and meas u rement res u lts are stored in a b u ffer.
b u s The gro u p of cond u ctors that interconnect individ u al circ u itry in a
comp u ter. Typically, a b u s is the expansion vehicle to which I/O or
other devices are connected. Examples of PC b u ses are the AT, EISA,
and PCI b u s.
C
C Celsi u s
clock Hardware component that provides timing for vario u s device operations.
cm centimeters
CMOS complementary metal-oxide semicond u ctor
CompactPCI An electrical s u perset of the PCI b u s architect u re with a mechanical form
factor s u ited for ind u strial applications.
crosstalk An u nwanted signal on one channel d u e to activity on a different channel.
c u rrent drive
capability
The amo u nt of c u rrent a digital or analog o u tp u t channel is capable of
so u rcing or sinking while still operating within voltage range
specifications.