The following are input devices except

A.

mouse

B.

monitor

C.

Keyboard

D.

joystick

Correct answer is B

The monitor is an output device, not an input device. Input devices are used to input data into a computer system for processing. Examples include a keyboard, mouse, joystick, etc. On the other hand, output devices are used to display or output the processed data. Examples include a monitor, printer, etc.