program interface that takes advantage of the computer's graphics capabilities to make the program easier to use. Well-designed graphical user interfaces can free the user from learning complex command languages. On the other hand, many users find that they work more effectively with a command-driven interface, especially if they already know the command language. Graphical user interfaces, such as Microsoft Windows and the one used by the Apple Macintosh, feature the following basic components:  pointer : …showed first 75 words of 409 total…

…showed last 75 words of 409 total…prohibitively expensive. In addition to their visual components, graphical user interfaces also make it easier to move data from one application to another. A true GUI includes standard formats for representing text and graphics. Because the formats are well-defined, different programs that run under a common GUI can share data. This makes it possible, for example, to copy a graph created by a spreadsheet program into a document created by a word processor. ------------------------------------------------------------------------ **Bibliography**