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Whereas a computer mouse moves over the table surface, the trackball is

  • A.Stationary
  • B.Difficult to move
  • C.Dragged
  • D.Moved in small steps

Answer: A

Correct answer: Stationary

A trackball is a mouse turned upside down: the ball is on top and the body stays still on the desk, the user rolling the ball with fingers or thumb. It needs no clear space to move in, which is why it was used on early laptops and is still used in confined spaces.

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