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4- Software and operating system



              Operating System: It enables us to use our computer and Windows and Android
              are the most famous operating system.


              The central processing unit (CPU): is a type of hardware, controls what and how
              data is processed and processes data and converts it to useful information.


              How data processed on the computer:
              Imagine you want to write a report for schools, let's see how the computer will

              process your report:
                                        1- Write your text in Microsoft word.
                   2- The operating system sends data to the CPU (it is a type of hardware).
                                           3- The CPU processes the data.
                              4- The CPU send information to the operating system.
                5- The operating system receives the information and shows it on the screen.


              Computer components:


                            Hardware                Operating system           Application software
                               CPU                                                 Gaming apps
                            Keyboard                     Windows                    PowerPoint

                             Screen                                               Google chrome



















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