© National Instruments Corporation G-1 Measurement Studio User Manual
Glossary

A

ActiveX Set of Microsoft technologies for reusable software components. Formerly
called OLE.
ActiveX control Reusable software component that adds functionality to any ActiveX
control container through exposed properties, methods, and events. The
Measurement Studio data acquisition, user interface, and analysis controls
are examples of ActiveX controls.
ActiveX control
container
Development environment that fully supports ActiveX controls and
integrates them into its own environment using COM. An ActiveX control
container enables you to specify how ActiveX controls interact with the
environment through environment properties. Visual Basic is an example of
an ActiveX control container.
analog I/O Reading or writing data in continuously variable physical quantities, such
as voltage or current.
annotate Adding text, arrows, or shapes to describe or highlight a point or region on
a graph.
ANSI C C programming language defined by the American National Standards
Institute.
API Application Programming Interface. A specification of software functions
and their input and return parameters.
array control An array of Measurement Studio user interface controls that behave as a
single unit.
assembly A collection of one or more files that are versioned and deployed as a unit.
An assembly is the primary building block of a .NET Framework
application. All managed types and resources are contained within an
assembly and are marked either as accessible only within the assembly or
as accessible from code in other assemblies.
asynchronous Function that begins an operation and returns control to the program prior
to the completion or termination of the operation.