How do you document a VI so that the description appears in the Show Context Help popup window?

Which of the following methods is NOT a method to create a 1-D Array?

Which combination of words correctly completes the following statement?
Unlike __________, which display an entire waveform that overwrites the data already stored, ___________ update periodically and maintain a history of the data previously stored.

What is the result in new string after the following code has executed?

The DAQmx task is set to acquire at a rate of 1000 Hz.
Which VI Snippet acquires and plots only the maximum value for each set of 1000 samples, for a period of
5 seconds?
A:

B:

C:

D: