Which of the following statements is TRUE?

The main function of a keyboard depends greatly on the language of the keyboard $($e$.$g$.,$ English, Spanish, Mandarin, etc.$).$

If a computer's cursor does not respond to the movement of a connected mouse, the issue will always be with the mouse$$not the computer.

A device that has an integrated printer and an integrated scanner is both an input device as well as an output device.

Traditional touchpads are both input devices as well as output devices.