CompTIA A+ 220-902 Question J-90

The mouse arrow on Peters laptop screen is unexpectedly moving around while he types on the built-in keyboard. Which of the following would be the lowest cost solution to the problem?

A. Use of an external keyboard.
B. Use of an external mouse.
C. Use of Fn key to lock the keypad.
D. Use of Fn key to disable the touchpad.

Correct Answer: D