Certified LabVIEW Associate Developer (CLAD) Practice Test 2025 – Comprehensive All-in-One Guide to Exam Success!

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Which VI memory components are ALWAYS resident for a SubVI?

Data Space

The choice of Data Space as a memory component that is always resident for a SubVI is accurate because it refers to the memory allocation that is used for storing variables and data associated with the SubVI during its execution. When a SubVI is called, the Data Space is allocated to manage the inputs and outputs, as well as any local variables defined within the SubVI. This density of data management is essential for the SubVI's operation, ensuring that its internal data states persist across calls as needed.

Front Panels and Block Diagrams, on the other hand, are not always resident for a SubVI when it is executed. The Front Panel is only active when the SubVI is opened in the LabVIEW environment or when explicitly made visible during execution. Similarly, the Block Diagram is primarily a development view and does not need to be in memory during execution unless the developer explicitly opens it to view or debug.

Code, while fundamentally integral to a SubVI as it dictates the functions that the SubVI performs, does not necessarily have a distinct memory resident status in the same way as Data Space. Code refers to instructions and functions that are executed when the SubVI runs rather than a concrete component that remains in memory throughout the SubVI's life cycle.

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Front Panel

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