National Instruments IMAQ PCI-1407 User Manual page 46

Glossary
I
I/O
IC
IEEE
INL
instrument driver
interlaced
interrupt
interrupt level
IRQ
K
k
K
kbytes/s
Kword
IMAQ PCI/PXI-1407 User Manual
Input/output. The transfer of data to/from a computer system involving
communications channels, operator interface devices, and/or data
acquisition and control interfaces.
Integrated circuit.
Institute of Electrical and Electronics Engineers.
Integral nonlinearity. A measure in LSB of the worst-case deviation from
the ideal A/D or D/A transfer characteristic of the analog I/O circuitry.
A set of high-level software functions, such as NI-IMAQ, that control
specific plug-in computer boards. Instrument drivers are available in
several forms, ranging from a function callable from a programming
language to a virtual instrument (VI) in LabVIEW.
A video frame composed of two interleaved fields. The number of lines in
a field are half the number of lines in an interlaced frame.
A computer signal indicating that the CPU should suspend its current task
to service a designated activity.
The relative priority at which a device can interrupt.
Interrupt request. See interrupt.
Kilo. The standard metric prefix for 1,000, or 10
measure such as volts, hertz, and meters.
Kilo. The prefix for 1,024, or 2
computer memory.
A unit for data transfer that means 1,000 or 10
1,024 words of memory.
10
, used with B in quantifying data or
G-6
3
, used with units of
3
bytes/s.
ni.com