National Instruments 653X User Manual
Page 128
Glossary
G-2
ni.com
A
A
amps
ACK
acknowledge—handshaking signal driven by the 653X device, indicating
that it is ready to transfer data
ADE
Application Development Environment
API
Application Programming Interface—a standardized set of subroutines or
functions along with the parameters that a program can call
asynchronous
For hardware, it is a property of an event that occurs at an arbitrary time,
without synchronization to a reference clock. In software, it is the property
of a function that begins an operation and returns prior to the completion or
termination of the operation.
B
b
bits
B
bytes
bidirectional data lines
data lines that can be programmatically configured as input or output
buffer
temporary storage for acquired or generated data (software)
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.
C
cache
high-speed processor memory that buffers commonly used instructions or
data to increase processing throughput
clock
hardware component that controls timing for reading from or writing to
groups
CH
channel