Question 3: Consider six processes Po through P5 that share four resource types with the following snapshot. Answer the following questions: 10 Marks 1. How many resources of type A, B, C, D are there? 2. What are the contents of need matrix? 3. Find if the system is in safe state? If it is, find the safe sequence. Processes Allocation Request Available B B A D D B D PO 2 2 1 1 2 1 0 0 3 1 1 0 P1 0 0 0 3 2 1 1 3 3 P2 1 1 0 4 2 1 1 P3 2 1 0 1 2 0 1 0 2 P4 4 0 2 2 1 1 0 0 P5 2 2 1 1 1 1 N