Question: The mouse pointer is behaving erratically. What should you do first?

  1. Use the keyboard instead
  2. Restart the computer
  3. Clean the mouse, specifically its optical sensor, and ensure that you are using it on the proper surface
  4. Disassemble the mouse to look for loose parts or corrosion

Answer: The correct answer of the above question is Option C:Clean the mouse, specifically its optical sensor, and ensure that you are using it on the proper surface