Glossary
DAQArb 5411 User Manual
G-6
©
National Instruments Corporation
H
h
hour
hardware
the physical components of a computer system, such as the circuit
boards, plug-in boards, chassis, enclosures, peripherals, cables, and so
on
Hz
hertz—the number of cycles or repetitions per second
I
IC
integrated circuit
IEEE
Institute of Electrical and Electronics Engineers
in.
inches
instruction FIFO
the FIFO that stores the waveform generation staging list
interrupt
a computer signal indicating that the CPU should suspend its current
task to service a designated activity
interrupt level
the relative priority at which a device can interrupt
I/O
input/output—the transfer of data to/from a computer system involving
communications channels, operator interface devices, and/or data
acquisition and control interfaces
ISA
industry standard architecture
K
k
kilo—the standard metric prefix for 1,000, or 10
3
, used with units of
measure such as volts, hertz, and meters
K
kilo—the prefix for 1,024, or 2
10
, used with B in quantifying data or
computer memory
kbytes/s
a unit for data transfer that means 1,000 or 10
3
bytes/s
kS
1,000 samples