What is Operating system? Explain any four types of operating system in detail.
[5 marks]Define process. Explain process state model with diagram.
[5 marks]Explain Inter process communication in detail.
[5 marks]Explain Scheduling of processes with example using below algorithms. (a) Round Robin (b) SJF
[5 marks]Explain Scheduling of processes with example using below algorithms.
[5 marks]FCFS (b) Priority based Non-Preemptive
[ marks]Explain concept of Demand Paging in memory management
[5 marks]Explain Difference between Internal and External Fragmentation with example
[5 marks]Explain concept of virtual memory with example.
[5 marks]Consider page reference string 1, 3, 0, 3, 5, 6 with 3 page frames. Find number of page faults for FIFO page replacement algorithm
[5 marks]What is Directory? Explain various Directory operations.
[5 marks]Explain disk scheduling algorithms with example using (a) FCFS
[5 marks]SCAN
[ marks]Explain different types of file allocation methods with diagram.
[5 marks]Explain disk scheduling algorithms with example using (a) LOOK
[5 marks]CSCAN
[ marks]Explain any two mobile operating systems.
[5 marks]Explain Antivirus as the utility software.
[5 marks]Explain features of Symbian OS in detail.
[5 marks]Explain Disk Cleanup and Backup in detail.
[5 marks]