Ans. Interactive (GUI based) Operating System: GUI or Graphical User Interface based Operating System allows the use of icons, windows and menus as tools to interact with the computer. For example such tools may be used for opening, deleting, and moving files. Usually GUI operating systems are navigated through the use of a mouse, the keyboard may also be utilized by using keyboard shortcuts or arrow keys to speed up operations. Because of their ease of use, GUI operating systems have become the dominant operating system used by today’s end-users. Windows is an example of GUI based Operating System.
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