Discussion :: Operating System
- Which of the following is not an operating system?
Whatsapp
Facebook
Answer : Option D
Explanation :
Notepad is a simple text editor for Microsoft Windows and a basic text-editing program which enables computer users to create documents. It was first released as a mouse-based MS-DOS program in 1983, and has been included in all versions of Microsoft Windows since Windows 1.0 in 1985.
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