midi interface

video camera

touchscreen

microphone

light pen

remote control

numeric keypad

joystick

digital camera

mouse

keyboard

scanner

graphics tablet

Chip & PIN pad

microphone

trackerball

webcam

magnetic stripe reader

magnetic stripe

magnetic ink character

chip

optical marks

barcode

remote control

touch pad

numeric keypad

touch screen

sensor

video camera

barcode reader

card reader

fingerprint reader

number pad

remote control

trackerball

digital camera

light pen