IPO Cycle:

Input                                      Process                                                          Output

-       Mouse                        - Cpu                                                     - Monitor

-       Keyboard                                                                                 - Printer

-       Scanner                                                                                   - Plotter

-       Digital camera

-       Webcam

-       Microphone

-       Joysticks

-       Light pen

-       Touch pad

Input :-

            Input is the raw information entered into a computer from the input devices. It is the collection of letters, numbers, images etc. Keyboard, Mouse, Scanner, Digital Camera, Webcam, etc. are some of the input devices.

Process:-

            Process is the operation of data as per given instruction. It is totally internal process of the computer system. CPU is the main processing device.

Output:-

            Output is the processed data given by computer after data processing. Output is also called as result. We can save these results in the storage device for the future use. Monitor and printer are the major output devices.