Glossary
VXI-AT2023/NI-VXI ISC 386/ix Getting Started
Glossary-4
© National Instruments Corporation
fair requester
A MXIbus master that will not arbitrate for the MXIbus after releasing it
until it detects the bus request signal inactive. This ensures that all
requesting devices will be granted use of the bus.
FCC
Federal Communications Commission
G
GPIB
General Purpose Interface Bus; the industry-standard IEEE 488 bus.
GIN
Daisy-chain Grant In signal
GOUT
Daisy-chain Grant Out signal
H
hex
Hexadecimal; the numbering system with base 16, using the digits 0 to 9
and letters A to F.
Hz
hertz; cycles per second.
I
IC
Integrated Circuit
IEEE
Institute of Electrical and Electronics Engineers
in.
inches
I/O
input/output; the techniques, media, and devices used to achieve
communication between machines and users.
interrupt
A means for a device to request service from another device.
interrupt handler
A VMEbus functional module that detects interrupt requests generated by
Interrupters and responds to those requests by requesting status and
identify information.
interrupt level
The relative priority at which a device can interrupt.
INTX
Interrupt Timing and Extension
IRQ*
Interrupt signal
ISA
Industry Standard Architecture
