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(ATRCKALLB) __________is an input device that contains a movable ball on the top.​
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(ATRCKALLB) __________is an input device that contains a movable ball on the top.​

User Ankit K
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1 Answer

7 votes

Answer:

trackball

Step-by-step explanation:

A trackball can be seen on a mouse.

User Isha Padalia
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