COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

INPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where is the tracker ball situated?
A
Top
B
Bottom
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -It is a pointing device. It is similar to a mouse. This is mainly used in notebook or laptop computer, instead of a mouse.

Detailed explanation-2: -Trackball mouse: Like an upside-down mouse. Rather than roll the mouse around, you use your thumb or index finger to roll a ball on top of the mouse. The whole contraption stays stationary, so it doesn’t need a lot of room, and its cord never gets tangled.

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