Discussion :: Operating System
- When was MS Windows operating system introduced?
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Answer : Option B
Explanation :
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
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