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Advantages of GUI

                 There are many advantages of GUI over CUI:
                    It is easy to use, especially for beginners.

                    It is more visually appealing and attractive compared to CUI.

                    It provides the ability to use multiple applications simultaneously.
                    It is not necessary to remember commands to operate this interface.

                    It allows for remote access to a computer.

                    It enables easy exchange of information between software through cut-and-paste or 'drag
                    and drop' methods.
                    It usually provides immediate, visual feedback about the effect of each action.

                 Disadvantages of GUI

                 There are several disadvantages of GUI:
                    It requires more hard disk space than CUI.

                    It uses more processing power.

                    It needs more memory (RAM) to run efficiently.

                     A COMPARISON BETWEEN CUI AND GUI

                                       CUI                                                GUI

                 1. Provides a lot of commands to perform  Provides icons, buttons, windows, and menus
                     different types of operations                 to give commands

                 2. A user needs to remember all the commands A user does not need to remember commands
                 3. Uses the keyboard to give commands             Uses a mouse, keyboard, stylus, or fingers to
                                                                   give commands

                 4. Examples include DOS, Windows Command  Examples include Windows, Mac OS, etc.
                     Prompt, etc.

                    Reb            t


                         A computer system is a combination of hardware and software.
                         Software is a program or collection of programs that performs a task.

                         An operating system is a system software that acts as a mediator between the user
                        and the computer hardware.

                         A Character User Interface (CUI) is a medium through which users can interact with a
                        computer by using only text-based commands.
                         A Graphical User Interface (GUI) is a type of interface that provides icons, buttons,

                        pull-down menus, and windows to interact with the computer.


                                                                                             Operating System      11
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