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A GUI (an acronym for “Graphical User Interface”; pronounced “gooey”)

offers graphical icons, and visual indicators, as opposed to text-based interfaces, typed command labels or text navigation to fully represent the information and actions available to a user.[1]


"Work sponsored by DARPA in the late 1960s led to development of the computer mouse and its use as part of a graphical user interface. The technology was later incorporated into the Xerox Corporation's Alto computer and then into Apple Computer's MacIntosh."[2]


  1. Department of Homeland Security, Privacy Impact Assessment for the Use of Unidirectional Social Media Applications Communications and Outreach 3 (Mar. 8, 2011).
  2. Making IT Better: Expanding Information Technology Research to Meet Society's Needs, at 21.