Technician A says that analog scopes use an LCD display. Technician B says that digital scopes may use a CRT display. Which technician is correct?

A. Technician A only

B. Technician B only

C. Both Technician A and Technician B

D. Neither Technician A nor Technician B

Option B

Technician B only

Explanation:

For analog scopes, they display all voltages without taking samples hence don't use LCD but digital scopes can use CRT for display and the display shows one horizontal line above the zero line. Therefore, technician B is correct.