A customer finds that their phone's touch screen is not responsive. Which of the following could be the reason?
A)Degraded battery
B)Backlight failure
C)Stuck keys
D)Digitizer failure

Question

Quizplus · Accepted Answer

The Digitizer is a component on the device that takes the analog input (say, user's fingers or stylus pen) and converts the input signal into a digital format.
Backlight Failure is one reason for dim screen display on a mobile device. Stuck keys and degraded battery are not failures that concern unresponsive touch screen.

A Customer Finds That Their Phone's Touch Screen Is Not