Glossary of Terms
Generating a DriverLINX Configuration Report
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Event
For DriverLINX, an event is the occurrence of a signal that clocks, starts, or stops a
data-acquisition task.
In an ActiveX control, an event is a procedure in the client application called by the
control.
Gating
A signal that enables and disables another signal or data-acquisition task depending
on the value of the gate signal.
IRQ
Abbreviation for interrupt request. Peripheral hardware signals the CPU that it is
ready to transfer data.
ISA
Abbreviation for Industry Standard Architecture. A standard for the original IBM AT
bus specification that defines the bus structure, CPU and support chip architecture,
and the clock frequency of the ISA bus.
ISR
Abbreviation for interrupt service routine, the software function inside a device
driver that handles interrupt requests.
Logical Device
DriverLINX’s designation for a specific data-acquisition board inside your computer.
Messages
In Windows and DriverLINX, a message notifies the application about the state of a
process. In DriverLINX’s ActiveX controls, DriverLINXSR and DriverLINXLDD,
messages fire a control event.
Modes
DriverLINX data-acquisition techniques.
Operations
Allowed DriverLINX data-acquisition commands.
Pacing
A periodic pulse or signal that data-acquisition hardware uses to read or write the
next sample or block of samples. Also referred to as “clocking”.
Process
Refers to the collection of data and code segments and hardware resources that the
operating system assigns to one application.
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