Definitions for "Input device"
hardware used for entering data into a computer system (e.g., keyboard, mouse, trackball, touch pad, touch screen, light pen, or scanner).
Usually on of the main components of your computer which inputs information into your CPU, e.g. your mouse or your keyboard.
Any device used to enter information into a computer (i.e. keyboard, mouse and other peripherals such as modems, scanners, digital cameras and graphics tablets).