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    Customised Software

                     Customised  software are those which have been developed according  to the
                     needs of a particular organisation or an individual. Such software is also called

                     tailor-made software.  For example  Banking software,  Delivery software,
                     Shopping software, etc.

                            DIFFERENCE BETWEEN SYSTEM SOFTWARE AND

                          APPLICATION SOFTWARE

                     Software  is  mainly  classified    into  two  types:  System  software  and  Application

                     software. You already know about both types of software. Let's check the differences
                     between System software and Application software.

                                     System software                                Application software

                      ✶ It is  used  for operating  computer  ✶ It  is used by  the  user  to  perform  a
                          hardware as well as software.                    particular task.

                      ✶ System          software        can       run ✶ Application  software cannot  run
                          independently with some conditions.              without system 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, ✶ Examples: MS Office, Web browser,
                          Edubuntu, Unix, Mac OS, etc.                     VLC Media player, etc.

                            Restart

                           Software is a set of instructions that makes the computer perform tasks.
                           Software can be classified into two broad categories: system software and

                          application software.
                           System software can be classified into three categories: Operating System,
                          Language Translator and Utility Software.

                           Operating system  manages the computer’s memory, processes data and
                          controls all its software as well as hardware.

                                                                                                 Types of Software       29

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