Question: The mouse pointer is behaving erratically. What should you do first?
- Use the keyboard instead
 - Restart the computer
 - Clean the mouse, specifically its optical sensor, and ensure that you are using it on the proper surface
 - 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