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"Section A" 1. Windows is a well-known example of operating systems. What are those features which make it very popular among other operating systems? Identify those features and also relate them with some other popular operating systems. 2. UNIX is a well-known example of operating systems. What are those features which make it very popular among other operating systems? Identify those features and also relate them with some other popular operating systems. 3. LINUX is a well-known example of operating systems. What are those features which make it very popular among other operating systems? Identify those features and also relate them with some other popular operating systems. 4. IOS is a well-known example of operating systems. What are those features which make it very popular among other operating systems? Identify those features and also relate them with some other popular operating systems. 5. Identify operating systems which became very popular at the time of their releases? Name at least five of them and also explain features of any three popular operating systems