What is GUI ? • The interface which replace cryptic command by their graphical representation are called as graphical user interface. • Ex. Windows operating system is GUI based operating system. • ADVANTAGES : • It is not necessary to remember the commands and is meaning . • User can run several programs simultaneously. • User can communicate and exchange data between program without transferring and copying the data . • Easy to use. Features of GUI • Replacement of command with icon :; • Command are group together in various levels of hierarchy and when the user select a group , further commands in that group are displayed . • This allow user to select command using cursor and simply clicking on it . • User can select the command and use the application without first having to know about the computer and it working . • provide online help : • It provide HELP about various features of the application . • Help can assists the user in knowing everything about the application. Essen...
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