Answer:
LCD display screen
Step-by-step explanation:
Input devices are used to provide controls to computers. Examples are mouse, keyboard, joystick, trackball, scanner, lightpen, and webcam.
In contrast, devices used to send data from one computer(or device) to another and are basically in the form of audio or video. Examples are monitor, printers and speakers.
So, in the options provided, the only device that is not an input device is the LCD display screen which is analogous to a monitor.
Hope this helps!