Types of pointing devices include ........
a.cat
b.bat
c.stick
d.trackball
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trackball... is the answer
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The trackball is the answer.
It is a pointing device that consists of a ball housed in the socket that contains to sensors in order to detect the rotation of the ball about the two aces like an upside down rotation of the mouse with a protruding ball.
The user uses his thumb to roll the ball or with the palm of a finger, you can move the cursor.
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