keyboard, mouse, special screens (touch, multitouch, etc.), joystick, stylus, scanning devices (optical, card readers, bar code readers, etc.), audio input, image capturing (digital cameras, video, etc.)
keyboard, mouse, special screens (touch, multitouch, etc.), joystick, stylus, scanning devices (optical, card readers, bar code readers, etc.), audio input, image capturing (digital cameras, video, etc.)
mouse keyboard  joystick  light pen  touch pad  microphone  scanner  track ball  digital camera