User's Manual

Glossary
© National Instruments Corporation G-5 DAQCard-1200 User Manual
G
gain The factor by which a signal is amplified, often expressed in dB.
GATE gate input signal
glitch an unwanted momentary deviation from a desired signal
H
hex hexadecimal
Hz hertz—the number of scans read or updates written per second
I
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
IBF Input Buffer Full—A high signal on this handshaking line indicates that
data has been loaded into the input latch; primarily an input acknowledge
signal
in. inches
interchannel delay another name for the sample interval, the time between when the first
channel in the scan is sampled and when that channel is sampled again
INTR Interrupt Request—a signal that becomes high when the 82C55A requests
service during a data transfer
ISA Industry Standard Architecture
K
K the prefix denoting 1,024, or 2
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