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‘Trackball’ is a/an _____.

‘Trackball’ is a/an _____.

  • (A) Software device
  • (B) Output device
  • (C) Input device
  • (D) Basic language
A trackball is a device used to control a computer by providing input signals. It has a ball held in a socket with sensors that detect when the ball turns. Unlike a regular mouse that you move around on a surface, a trackball stays still while you roll the ball with your fingers or palm to move the cursor on the screen.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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