Interface
A program that enables the user to communicate with the computer/device.
CLI
Command Line Interface
It is the one in which user types in commands to make the computer do something. Users require to memorize the commands and they have to be types correctly.
MDI
Menu Driven Interface
As its name indicates that a software program that operates on file menus instead of command lines. On screen, MDI provides menus as means of entering commands. Menu contains lists of options on the navigated by choosing options from lists, it shows all the options available at given point in a form of text-based menu commands
GUI
Graphical User Interface
Also known as WIMP Interface,Windows, Icons, Menus and Pointers
An interface where each and every object is represented by small graphics, pictures or symbols
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