What Is an Input Device? An input device is a hardware that sends data to a computer. Most input devices either interact with the computer in some way. The most common input devices are the mouse and the keyboard. The basic difference between an input device and an output device is that input device sends data to the computer, whereas output device receives data from the computer. Input and output devices are also called peripheral or auxiliary devices. Examples of Input Devices 1. Keyboard 2. Mouse 3. Touchpad 4. Scanner 5. Digital Camera 6. Microphone 7. Joystick 8. Graphic Tablet 9. Touch Screen 10. Webcam Keyboard The most common type of input device are...