chap7

1-Discuss in which practical cases the condition of nonpreemption would not hold. Give an example.

2- Explain and give examples of why deadlock may be considered worse than starvation. Is deadlock a form of starvation? Give examples.

9- A system has four resources types with (5, 3, 5, 3) and five processes with a maximum resource claim: Pl with (2, 2, 1, 1), P2 with (1, 2, 1, 2), P3 with (1, 1, 2, 1), P4 with (3, 1, 2, 0), and P5 with (2, 1, 1, 0). The resource allocations are Pl with (1, 1, 0, 0), P2 with (0, 1, 1, 0), P3 with (1, 0, 1, 1), P4 with (2, 1, 2, 0), and P5 with (1, 0, 1, 0). Is this system in a safe state? Give good arguments.