Touch pad

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           In this lesson you will learn about Touch Pad and its uses...

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• Touch Pad:-

                             A touch pad (or track pad) is a pointing device featuring a tactile sensor, a specialized surface that can translate the motion and position of a user’s figure to a relative position on screen. 

They are a common feature of laptop computers and also used as a substitute for a computer mouse where desk space is scare. Touch pad’s vary in size.