Which one of the following is not an operating system?

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Which one of the following is not an operating system?

Linux
Mac OS
Google Chrome
Windows XP
This question was previously asked in
UPSC CBI DSP LDCE – 2023
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An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. It is the fundamental software that runs on a computer and manages the system’s resources.
Let’s examine the options:
A) Linux: A family of open-source Unix-like operating systems. Examples include Ubuntu, Fedora, Debian, etc. It is an operating system.
B) Mac OS: (Now macOS) The operating system developed by Apple Inc. for its Macintosh computers. It is an operating system.
C) Google Chrome: A free web browser developed by Google. A web browser is an application program that runs on an operating system, not an operating system itself.
D) Windows XP: A version of the Microsoft Windows line of operating systems, released in 2001. It is an operating system.

Therefore, Google Chrome is not an operating system.

An operating system is the core software that manages computer hardware and provides a platform for running application software. A web browser is an example of application software.
Other common operating systems include Android, iOS, Unix, Chrome OS (which is an operating system, distinct from the Chrome browser). The question asks for which one is *not* an operating system.

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