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Tech

                                                                                                                                                                Funda
                                                                                                                                                                              You can open the Windows
                                                                                                                                                                              Command       Prompt     by
                 GUI operating systems are  interactive  and  user
 i +  WHAT IS A USER INTERFACE?                                                                                                                                               pressing the  Windows
                 friendly. It replaces the commands  that we used in
 A User Interface (UI) refers to a part of an operating system that allows a user to interact with                                                                            Key +  R. The  Run dialog
                 the CUI interface with icons, buttons, and menus. A
 the computer. It provides a set of commands, menus, and icons that help in interacting with the                                                                              box  appears.  Type  cmd
 computer. An effective interface can make an operating system attractive and user-friendly.  user does not need to remember all the commands.                                and click on the OK button.
 Based on the working environment, user interfaces can be divided into two categories: Character   GUI allows us to give commands to the computer by
 User Interface (CUI) and Graphical User Interface (GUI). Let us discuss these in detail.   simply clicking with the mouse. Examples of GUI are
 Character User Interface (CUI)  Windows XP, Windows Vista, Windows 7, Windows 8,

 In CUI operating system, the user sends commands and instructions to the computer in character   Windows 8.1, Windows 10, Windows 11, Mac, LINUX
 form i.e., by typing commands at the command prompt. The display on the screen does not   (Redhat, Ubuntu, BOSS, etc).
 contain any graphic or picture, rather it contains only lines and characters. CUI is also called a
 command line interface (CLI). A user can write commands on the command prompt to perform   Advantages of GUI
 a  particular  task.  DOS and  Windows  command  prompt  are  the  two  most commonly known   There are many advantages of GUI over CUI:
 character user interfaces.  •  It is easy to use, especially for beginners.

                 •  It is more appealing and attractive as compared to CUI.

                 •  It provides the feature to use multiple applications at the same time.
                 •  It is not necessary to remember the commands to operate this interface.

                 •  It provides 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 users with immediate, visual feedback about the effect of each action.

                 Disadvantages of GUI

 Quick Byte      There are many disadvantages of GUI:

 You can open the Windows Command Prompt by pressing the Windows Key + R. The   •  It takes large amount of hard disk space than CUI.
 Run dialog box appears. Type cmd and click on the OK button.  •  It uses more processing power.
                 •  It needs more memory (RAM) to run.
 Advantages of CUI

 There are certain advantages of CUI:  i +  A COMPARISON BETWEEN CUI AND GUI
 •  It is easy to understand.
                          CUI (Character User Interface)                   GUI (Graphical User Interface)
 •  It accepts input and displays output in the form of text.
 •  It allows users to write commands by typing one or two-line text known as command lines.   1. It provides lots of commands to perform  It  provides icons,  buttons,  windows,  and
                       different types of operations.                menus to give commands.
 Disadvantages of CUI
                   2. A user needs to remember all the  A user does not need to remember
 It has a few disadvantages also, which are as follows:
                       commands.                                     commands. He can just click on the icons,
 •  People find it difficult to remember all the commands.           menus etc.

 •  It is not user-friendly.
                   3. It uses the keyboard to give commands.         It uses a mouse, a stylus, or fingers to give
 Graphical User Interface (GUI)                                      commands.

 In GUI operating system, the interface is graphical i.e., the user interacts with figures and graphs   4. Examples are  DOS, Windows  Command  Examples are Windows, Mac, etc.
 on the screen. It is basically menu or button based. A user can use options of the menu to   Prompt, etc.
 execute different functions.


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