Glossary
©
National Instruments Corporation
G-3
AO 0
Analog channel 0 output signal.
AO 1
Analog channel 1 output signal.
AO 2
Analog channel 2 output signal.
AO 3
Analog channel 3 output signal.
AO GND
Analog output ground signal.
application
A software program that creates an end-user function.
arm
The process of getting an instrument ready to perform a function. For
example, the trigger circuitry of a digitizer is armed, meaning that it is
ready to start acquiring data when an appropriate trigger condition is met.
ASIC
Application-specific integrated circuit—A proprietary semiconductor
component designed and manufactured to perform a set of specific
functions for a specific customer.
asynchronous
1. Hardware—A property of an event that occurs at an arbitrary time,
without synchronization to a reference clock.
2. Software—A property of a function that begins an operation and
returns prior to the completion or termination of the operation.
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.
block diagram
A pictorial description or representation of a program or algorithm.
BNC
Bayonet-Neill-Concelman—A type of coaxial connector used in situations
requiring shielded cable for signal connections and/or controlled
impedance applications.
buffer
1. Temporary storage for acquired or generated data.
2. A memory device that stores intermediate data between two devices.
