A graphical user interface, or GUI, is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation. In many
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An Apple Lisa (1983) demonstrating the Lisa Office System (LisaOS), which featured Apple Computer's first commercially available GUI
A pointing device is a human interface device that allows a user to input spatial data to a computer. Graphical user interfaces and CAD systems allow the user to control and provide data to the comput