Input and Output devices

An input device is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system (such as a computer).

An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) to the outside world.

Input devices	Output  devices	Both
1.       Mouse        2.       Keyboard           3.       Scanner             4.       Touch pad        5.       Microphone        6.       Webcam        7.       Joystic        8.   Touch screen        9.   Barcode Reader       10.  Biometric Device       11.  Gaming input       12.  KVN	1.       Screen       2.       Speakers       3.       Printer       4.       Projector       5.       DVD-Writer	1.       Headset      2.       Pendrive      3.       Mass storage Device      4.   USB Wire