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In LabVIEW, what does a constant represent?

A variable that can change

A fixed value that does not change

In LabVIEW, a constant represents a fixed value that does not change throughout the execution of a program. Constants are used to define static values that do not require user input or modification, providing stability and predictability in the behavior of an application. When you use a constant, you ensure that a specific value is maintained across the VI’s execution, which is particularly useful for parameters, thresholds, or any scenario where a stable reference is needed.

Using constants helps simplify program logic, as they eliminate the need to handle potential changes in value that could occur with variables. By contrast, variables represent values that can be altered during runtime, functions perform operations or calculations, and controls are designed to receive user input, emphasizing the distinct role constants play in a LabVIEW application.

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A function that performs calculations

A control with user input

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