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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.





                  OneOne Touch           Learn                                              Section A (Objective)



                           ✓
                 A.  Tick ( ) the correct option.
                     1.  What is the interface between a user and a computer called?
                        a. System software                              b. Operating system

                        c. Application software                         d. Hardware

                     2.  Who helps run the other software on the computer?
                        a. Operating system                             b. Application software

                        c. User software                                d. None of these



                                                                                             Operating System    11
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