Question

Which one of the following is an operating system ?

• A. LAN
• B. NIC
• C. www
• D. None of these

Hint:

An OS is the foundational software that makes your computer work (like Windows or macOS). The other options are related to networking and the internet, which are things an OS helps you use.

Answer 1

The Correct Option is D

Step 1: Define an operating system. An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. Examples include Microsoft Windows, macOS, Linux, Android, and iOS.
Step 2: Analyze the options.

(A) LAN (Local Area Network): A type of computer network.
(B) NIC (Network Interface Card): A piece of hardware that allows a computer to connect to a network.
(C) www (World Wide Web): A system of interconnected documents and other web resources, which is a service that runs on the Internet.
None of the options provided are operating systems.