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Character User Interface Operating System
            It allows a user to access a computer by giving text-based commands. These commands are entered one at a time
            to get the work done by the computer. It is a time consuming process and has been replaced by a graphical user
            interface. Examples are DOS, Windows command prompt.
            Graphical User Interface Operating System
            A graphical user interface supports user-friendly graphical environments where the work is done by using mouse
            clicks. The user doesn't have to remember big text-based commands to get the work done. Examples are Windows
            operating system and Mac OS.


            3.3. WINDOWS 10 OPERATING SYSTEM

            Windows 10 is a Graphical user interface operating system developed by Microsoft in 2015. It is a single user
            operating system designed for personal use at home and in the office using desktops, laptops and tablets.
            After you switch on the computer, a few initial steps of booting the operating system occurs and  Windows 10 gets
            loaded into the computer's memory. It remains in the computer's memory till the power is on and assists in the
            smooth functioning of the computer.
            Desktop is the first screen that appears on the monitor after Windows 10 is loaded. Just like an office desk where
            your things related to everyday jobs are organised to increase your efficiency, similarly the desktop of Windows
            10 is the main screen area that contains some basic components that uses dialog box, windows, menus, files and
            folders to provide quick access to the softwares for efficient use.

            3.3.1. Components of Windows 10 Desktop
            When we switch on the power button of a computer, then, the system boots and displays the first screen popularly
            known as Desktop.

            Let us look at the different components of Windows 10.

            Desktop Background
            The wallpaper that appears behind the icons on your computer's desktop is called desktop background.

                  Icons
                                                                                           Desktop background
















                                                                                          Taskbar

                                                Windows 10 Desktop
            Icons
            An icon is a small graphical representation of a program or file that appears on the desktop. Some default icons
            like My Computer, Network, User folder, Recycle bin are already present. Some  other icons  can be added or
            removed as per the need.


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