Question

Which operating system was the first to include a graphical user interface (GUI)?

A.
MacOS

B.
Linux

C.
Chrome OS

D.
Windows

Answer 1

D. Windows

Yes, but no.

Step-by-step explanation:

But, the Xerox Star (the Alto) was one of the first GUI operating systems to be included. But, as per your answer choices, the earliest of them all Windows.