What is the difference between GUI and CUI?
GUI and CUI are two types of User Interfaces. GUI stands for Graphical User Interface while CUI stands for Character User Interface. In this article, we will discuss the differences between these two interfaces and which has advantages over the other.
User Interface: The user interface comprises everything the user can use to interact with the computer. It is basically the means by which the user and computer system can interact using input and output devices.
GUI: GUI stands for Graphical User Interface. This is a type of user interface where the user interacts with the computer using graphics. Graphics include icons, navigation bars, images, etc. A mouse can be used while using this interface to interact with the graphics. It is a very user-friendly interface and requires no expertise. Eg: Windows has GUI. 
CUI: CUI stands for Character User Interface. This is a user interface where the user interacts with a computer using only a keyboard. To perform any action a command is required. CUI is a precursor of GUI and was used in most primitive computers.
Most modern computers use GUI and not CUI. Eg: MS-DOS has CUI.
some example of CUI is Chatgpt
An example of GUI is WINDOWS.
Difference between GUI and CUI:
| Property | GUI | CUI |
|---|---|---|
| Interaction | Using graphics(images, icons) | Using commands(only text) |
| Navigation | Easier | Difficult |
| Peripherals used | Keyboard and mouse(or any pointing device) | Keyboard only |
| Precision | LOW | HIGH |
| Speed | LOW | HIGH |
| Ease of Operation | Easier | Difficult, requires expertise |
| Memory Required | HIGH | LOW |
| Flexibility | MORE Flexible | LESS Flexible |
| Customising Appearance | Highly customisable | Appearance cannot be changed |
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