Input devices – The computer input devices convert the data entered by the user into binary language and sends it to the computer to process it. For example, keyboard, mouse, scanners, etc.
Output devices – The output devices are peripheral devices that are used to convert the output processed by the computer into human-readable form. These devices either display the output on the screen, print on paper, or through any other form. Examples: printer, monitor, projector, headphones, etc.
Computer related input devices are Keyboard, Mouse, Touchpad, TrackPoint, Scanner, Microphone, Digital Cameras, Barcode reader, Joystick, Webcam, etc. Output Devices: Few examples of output devices are Printers, Projector, Plotters, Monitor, Speakers, Head Phone, etc.
Reference: https://artoftesting.com/computer-output-devices-example