Q295
When was MS Windows operating system introduced?
A.
1975
B.
1985
AnswerC.
1995
D.
2000
Answer: Option B
Solution
Answer: Option B
Solution:
Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs).
Source : wikipedia.org