Question

which one is first graphical user interface​

Answer 1

Answer:

One of the things Xerox showed Jobs was the Alto, which sported a GUI and a three-button mouse. When Jobs saw this prototype, he had an epiphany and set out to bring the GUI to the public. Apple engineers developed Lisa, the first GUI-based computer available to the public.

Answer 2

Answer : In 1979, the Xerox palo alto research centre developed the first prototype for a GUI.