COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

INPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Is a tracker ball very similar to a mouse?
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -A trackball is a computer cursor control device used in many laptop computer keyboards and older versions of computer mice. The device comprises a ball held by a socket containing sensors to detect a rotation of the ball about two axes–like an upside-down mouse with a ball in it.

Detailed explanation-2: -A trackball mouse looks a lot like an upside-down mouse. These mice feature a ball with sensors that move the cursor on the screen when the ball is moved with your thumb.

Detailed explanation-3: -The main difference between a trackball and a regular mouse is that the latter moves around. A trackball mouse is stationary and requires less space to operate, but it can also be less precise.

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