A user complains that his new mouse doesn't work right. He has an old system at home and when he has had this problem, he cleaned the ball on the underside of the mouse to fix it, but this mouse doesn't have a ball on the underside. What can you tell him about his mouse?
A)the ball must have fallen out
B)the ball is hidden under an access panel on new mice
C)the mouse is an optical mouse
D)the mouse uses sonar to detect movement

Question

Quizplus · Accepted Answer

The fact that the mouse doesn't have a ball on the underside indicates that it is likely an optical mouse, which uses a laser or LED to detect movement instead of a rolling ball.

A User Complains That His New Mouse Doesn't Work Right