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| | Graphical user interface |
 | | A graphical user interface (or GUI, pronounced "gooey") is a method of interacting with a computer through a metaphor of direct manipulation of graphical images and widgetss in addition to text. |
 | | The PUI consists of graphical widgetss (often provided by widget toolkit libraries) such as windows, menuss, radio buttonss, check boxes, and iconss, and employs a pointing device (such as a mouse, trackball, or touchscreen) in addition to a keyboard. |
 | | Designing suitable interfaces for handheld devices, such as PDA applications and their smartphone cousins, has been a major challenge for user interface designers, and some of the more successful diverge considerably from desktop computer designs. |
| www.knowledgefun.com /book/g/gr/graphical_user_interface.html (877 words) |
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