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Anshitha: 10 months ago

An alternative to a mouse.You roll a ball to control the movement.What is that ?

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Answer 1

Jimmy100: 10 months ago

A track ball.

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Deneesh: 10 months ago

New technologies threaten to make pointing and clicking obsolete. Some alternatives to the computer mouse include new touch screen and voice recognition technologies. The products that are vying for the mouse's crown include: head pointers, digitizing tablet or touch pads and trackballs alongside others.

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