the graphical user interface (gui) was pioneered in the mid - 1970s by researchers at:\napple…

the graphical user interface (gui) was pioneered in the mid - 1970s by researchers at:\napple computer\nmicrosoft\nxerox\nibm

the graphical user interface (gui) was pioneered in the mid - 1970s by researchers at:\napple computer\nmicrosoft\nxerox\nibm

Answer

Brief Explanations:

The graphical user - interface (GUI) was pioneered by Xerox researchers in the mid - 1970s. Apple and Microsoft later popularized it, but Xerox was the pioneer. IBM was not the pioneer of GUI.

Answer:

C. Xerox