CLAD CLAD File I/O & Data Management

Question 1

Which LabVIEW function is used to open or create a file for reading or writing?

Accepted Answer

Open/Create/Replace File

Answer

The Open/Create/Replace File function opens an existing file, creates a new one, or replaces an existing file depending on the selected option.

Question 2

What data type does LabVIEW use to represent a file path?

Accepted Answer

Path

Answer

LabVIEW uses the Path data type (shown as a green wire) to represent file and directory locations in a platform-independent way.

Question 3

Which file format function allows LabVIEW to write spreadsheet-compatible data directly from a 2D array?

Accepted Answer

Write To Spreadsheet File

Answer

Write To Spreadsheet File converts a 2D numeric array to a tab-delimited text file compatible with spreadsheet applications.

Question 4

What does the 'Read Lines from File' function return by default?

Accepted Answer

An array of strings, one per line

Answer

Read Lines from File reads one or more lines from a file and returns them as an array of strings, each element representing one line.

Question 5

When writing binary data to a file in LabVIEW, which function should you use?

Accepted Answer

Write to Binary File

Answer

Write to Binary File writes binary data (byte arrays or typed data) directly to a file without text conversion.

CLAD Practice Test