Question

Which of the following is not an Operating System

a) DOS

b) Windows
c) Linux
d) Doors​

Answer 1

Doors is not an operating system. Option(d) is the correct answer.

• An operating system is software that provides a link between the hardwares and software and controls the operations and manages all the components of the computer.
• DOS is an operating system for the device, such as a floppy disk, hard disk drive, or optical disc. Windows is used in laptops and PCs as an operating system. Linus is an operating system used for databases, file serves, etc.
• So, Doors is not an operating system.

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Answer 2

(d) Doors is not an operating system.

An operating system is a software programme required to manage and operate a computing device like smartphones, tablets, computers, supercomputers, web servers, cars, network towers, smartwatches, etc. It is the operating system that eliminates the need to know coding language to interact with computing devices.

For the most part, the IT industry largely focuses on the top five OSs, including Apple macOS, Microsoft Windows, Google's Android OS, Linux Operating System, and Apple iOS.

Hence ,

option (d) Doors is correct .

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