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    Tech Funda

                             The letters, numbers and symbols we give to the computer are called data.

                      Thus, a computer works in three steps:

                                           INPUT  →  PROCESS  →  OUTPUT

                      This is also called IPO cycle. Let us look at some more examples of IPO cycle.

                       (a)

                                    Bread (Input)             Toaster (Processing)             Toast (Output)

                       (b)

                                      Debit Card                 ATM Machine                        Cash
                                        (Input)                   (Processing)                    (Output)

                            IPO DEVICES

                      A computer is made up of many parts. These parts are also known as IPO devices,
                      let us learn about them.

                      Input Devices

                      The devices that are used to enter data into the computer and give instructions

                      are called input devices. Some of the commonly used input devices are keyboard
                      and mouse.

                                    Keyboard                       Mouse

                     28     Premium Edition-II

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