A sphere mounted on a fixed base that steers the cursor on a computer display is known as a ________.
A)Mouse
B)Joystick
C)Light pen
D)Trackball

Question

Quizplus · Accepted Answer

The description matches that of a trackball, which is a pointing device consisting of a sphere that is rotated to move the cursor on a computer display. The other options - mouse, joystick, and light pen - don't have a sphere and don't fit the description as well.

A Sphere Mounted on a Fixed Base That Steers the Cursor