CLAD CLAD File I/O & Data Management 3

Question 1

What LabVIEW data type is best suited for storing a fixed-size collection of mixed data types (e.g., a name and a temperature reading)?

Accepted Answer

Cluster

Answer

A Cluster groups multiple data elements of different types into a single structure, similar to a struct in text-based languages.

Question 2

When saving LabVIEW measurement data that must be read back later with proper channel names and timestamps, which file format is most appropriate?

Accepted Answer

TDMS file

Answer

TDMS files natively store channel names, timestamps, properties, and raw data, making them ideal for structured measurement datasets.

Question 3

What is the primary advantage of using LabVIEW's built-in 'Config File VIs' (configuration file functions)?

Accepted Answer

They read and write INI-style key-value configuration files in a standardized format

Answer

The Config File VIs provide a simple API for reading and writing INI-style configuration files, making application settings persistent without custom parsing.

Question 4

In LabVIEW, which function converts a path data type to a string representation?

Accepted Answer

Path to String

Answer

The Path to String function converts a LabVIEW Path type to its string representation suitable for display or concatenation.

Question 5

What does error checking at the file I/O level in LabVIEW typically involve?

Accepted Answer

Wiring error in/out terminals through each file function and checking error codes

Answer

LabVIEW's error handling convention passes error clusters through error in/out terminals on each function, propagating errors to a final handler.

CLAD Practice Test

CLAD Practice Test

CLAD CLAD File I/O & Data Management 3