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Which among the following is NOT an operating system ?
1. Android
2. iOS
3. Windows
4. Router

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Correct Answer - Option 4 : Router

The correct answer is Router.

  • The Router is not an operating system.

  • An operating system is software that performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
  • A router is a physical or virtual appliance that passes information between two or more packet-switched computer networks.
  • A router inspects a given data packet's destination Internet Protocol address (IP address), calculates the best way for it to reach its destination, and then forwards it accordingly.
  • It is a common type of gateway. It is positioned where two or more networks meet at each point of presence on the internet. 
  • Android, iOS, and Windows are examples of the operating system.

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