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System software                              Application software

                   ✶ The  user  does not  have  direct  The  user  can  have  direct  interaction
                       interaction with system software.                with the application software.

                   ✶ Pre-installed software.                            User can install and uninstall this
                                                                        software.

                   ✶ Examples: Windows, Linux, Unix, Mac  Examples:  MS  Office,  Web  browser,
                       OS, etc.                                         Media player, etc.




                                    If the operating system is the boss of your computer, then which
                                    software is like a helpful assistant that lets you draw pictures and

                                    play games?



                      OPERATIONAL SUPPORT SYSTEM

                  An Operational Support System (OSS) is a group of computer programs. It is
                  used by Telecommunication Service Providers (TSP) for monitoring, controlling,

                  analysing and managing a computer or telephone network system. It is also called
                  Operation Support System.
                  Operation Support System is mainly used by e-commerce platforms like Amazon,

                  Flipkart, etc. It includes the following managements:
                  ✶  Service delivery                               ✶  Customer care

                  ✶  Stock management                               ✶  Transaction management
                  The most popular Operation Support Systems are  Oracle OSS,  IBM OSS,

                  NetCracker OSS and Huawei OSS.


                      Reb            t


                          A computer system is a collection of hardware and software components,
                         designed to provide an effective tool for computation.

                          Software is a set of instructions that makes the computer perform tasks.
                          The  operating  system serves as  an  interface  between  the  user  and  the
                         hardware.

                          Programming software is used to understand and convert the instructions
                         by programming language into machine language.








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