List a few alternative options of input and output over the the standard keyboard and monitor

Input devices are those on which you can give a specific command to the. Whereas, output devices are those which performs the certain command given to them.

Input devices:

- Mouse

- Touchpad

- Touch screen

- Microphone

- Laser printers

- Scanners

- Webcam

Output Devices:

- Sound output (e. g. speakers, headsets)

- Projectors

- Plotters

- LCD panels

- Mointors (LED, LCD, CTR)

Both input and output device example can be a headphone which has a microphone (Input device) and a speaker (output device) too.