See also, Programmed i/o – National Instruments NI-488.2 User Manual
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Glossary
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N
NDAC
Not Data Accepted—One of the three GPIB handshake lines.
See also
NRFD
Not Ready For Data—One of the three GPIB handshake lines.
See also
P
parallel poll
The process of polling all configured devices at once and reading
a composite poll response. See also
.
PC
Personal computer.
PCI
Peripheral Component Interconnect.
PIO
See programmed I/O.
PPC
Parallel Poll Configure—The GPIB command used to configure
an addressed Listener to participate in polls.
PPD
Parallel Poll Disable—The GPIB command used to disable a configured
device from participating in polls. There are 16 PPD commands.
PPE
Parallel Poll Enable—The GPIB command used to enable a configured
device to participate in polls and to assign a DIO response line.
There are 16 PPE commands.
PPU
Parallel Poll Unconfigure—The GPIB command used to disable any device
from participating in polls.
programmed I/O
Low-speed data transfer between the GPIB interface and memory in
which the CPU moves each data byte according to program instructions.
See also
.
R
resynchronize
When the driver indicates to the application that asynchronous I/O
operations have completed.
RQS
Request Service.