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Tracker Ball: A Trackerball is an Input Device.

A tracker ball is a pointing device; it is a mouse lying on its back. To move the pointer, you rotate the ball with your thumb, your fingers, or the palm of your hand. There are usually one to three buttons next to the ball, which you use just like mouse buttons.

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15y ago

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A tracker ball is an input device where a finger is used to rotate a ball. This moves a pointer on the screen. (It is very like an upside-down mouse!)

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14y ago
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In computing, a track ball is a pointing device, such as the one seen at the bottom of a computer mouse. They work by using sensors to detect the direction in which the user is moving it.

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Wiki User

10y ago
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Q: How does a tracker ball work?
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