Question

Which of the following is not an operating system?

• A. Mozilla
• B. Android
• C. Solaris
• D. Windows

Hint:

Remember that an operating system manages computer resources, while Mozilla is a web browser used to browse the internet.

Answer 1

The Correct Option is A

Step 1: Understanding Operating Systems.
An operating system (OS) is a system software that manages hardware and software resources and provides common services for computer programs. Popular operating systems include Windows, Solaris, and Android. Mozilla, however, is a web browser, not an operating system.

Step 2: Review of Other Options.
- \((A) Mozilla:\) Correct. Mozilla is not an operating system but a popular web browser. - \((B) Android:\) Android is a widely used mobile operating system. - \((C) Solaris:\) Solaris is an operating system developed by Sun Microsystems. - \((D) Windows:\) Windows is a widely used operating system developed by Microsoft.

Step 3: Conclusion.
Thus, the correct answer is Mozilla, as it is a web browser and not an operating system.

Final Answer: Mozilla.