1. Consider a system with: five processes, PO P4, three resource types, A, B, C. Type A has 10 instances, B has 5 instances, C has 7 instances. At time TO the following snapshot of the system is taken. Is the system in a safe state? Max Need Allocated Available A B A B PO 7 3 1 3 3 2 P1 2 P2 C 2 0 ONWNOD Lolololo 0-00-00 Oo oo 9 2 P3 2 2 3 P4 4 Is the system in a safe state? Write the steps, that leads to your conclusion. [3 Marks] 2. Explain the differences between Internal and External fragmentation in Memory Management in Operating System, Suggest a method to solve this problem. With an example (2 Marks) 3. Apply Round Robin Scheduling algorithm to find out the Average Waiting Time, Average Turnaround time using the information given below. Time slice 24 msecs. (2 Marks) Process CPU burst time (msec) A 106 B 122 000 66 98 4. Discuss various ways to Prevent Deadlocks