National Instruments 321645c-01 ユーザーズマニュアル
NI-DAQ FRM for PC Compatibles)
G-6
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National Instruments Corporation
Glossary
handle
pointer to a pointer to a block of memory; handles reference arrays and
strings. An array of strings is a handle to a block of memory containing
handles to strings.
strings. An array of strings is a handle to a block of memory containing
handles to strings.
handshaked digital I/O
a type of digital acquisition/generation where a device or module accepts
or transfers data after a digital pulse has been received. Also called latched
digital I/O.
or transfers data after a digital pulse has been received. Also called latched
digital I/O.
hardware
the physical components of a computer system, such as the circuit boards,
plug-in boards, chassis, enclosures, peripherals, and cables
plug-in boards, chassis, enclosures, peripherals, and cables
hardware triggering
a form of triggering where you set the start time of an acquisition and gather
data at a known position in time relative to a trigger signal
data at a known position in time relative to a trigger signal
hex
hexadecimal
Hz
hertz
I
ID
identification
IDE
integrated development environment
IEEE
Institute of Electrical and Electronics Engineers
instrument driver
a set of high-level software functions that controls a specific GPIB, VXI,
or RS-232 programmable instrument or a specific plug-in DAQ board.
Instrument drivers are available in several forms, ranging from a function
callable language to a virtual instrument (VI) in LabVIEW.
or RS-232 programmable instrument or a specific plug-in DAQ board.
Instrument drivers are available in several forms, ranging from a function
callable language to a virtual instrument (VI) in LabVIEW.
interrupt
a computer signal indicating that the CPU should suspend its current task
to service a designated activity
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
communications channels, operator interface devices, and/or data
acquisition and control interfaces
IRQ
interrupt request
ISA
Industry Standard Architecture