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Question
RRB NTPC - 2019
Computer Awareness

Which one of the following is not an operating system?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper PDF (31-Jan-2021) (Shift 1)
Attempt Now
The correct answer is
Microsoft Office

Identifying Non-Operating System Software

An operating system (OS) is system software that manages computer hardware and software resources. It provides common services for computer programs. Let's analyze the options:

  • macOS: This is the proprietary graphical operating system developed and marketed by Apple Inc. for its Mac computers. It is an operating system.
  • MS Windows: This is a family of proprietary graphical operating system developed and marketed by Microsoft. It is an operating system.
  • Microsoft Office: This is a suite of productivity applications developed by Microsoft. It includes applications like Word, Excel, and PowerPoint. It runs on top of an operating system, but it is not an operating system itself.
  • Linux: This is a family of open-source and Unix-like operating systems based on the Linux kernel. It is an operating system.

Therefore, Microsoft Office is the software that is not an operating system.

Correct Answer Determination

Based on the analysis, Microsoft Office is the only option that is application software, not system software acting as an operating system.

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