National Instruments NI 2590/2591 - Manual (Page 38)

Glossary
NI 2590/2591 User Manual G-2 ni.com
B
breakpoint a specified point in program code where the program pauses to perform
some action; a breakpoint interrupt can be added to a scan list for
debugging or other special needs.
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 ISA and PCI bus.
C
C Celsius
channel pin or wire lead on the multiplexer to which you apply or from which you
read the signal
common a channel that is typically the output of a switch module
contact bounce the intermittent switching that occurs when the movable metal parts of a
relay make or break contact
D
DC direct current
debounced indicates when the contact bounce has ended. See contact bounce.
device a plug-in module, board, or pad that can contain multiple channels and
conversion devices. Some examples of devices are computers,
multimeters, multiplexers, oscillators, operator interfaces, and
counters.
diode an electronic component that acts primarily as a one-way valve
drivers/driver software software that controls a specific hardware device such as a switch module
E
external trigger a voltage pulse from an external source that triggers an event such as
A/D conversion