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Que. Suppose there are four processes in execution with 12 instances of a Resource R in a system. The maximum need of each process and current allocation are given below:
Process Max. Need Current Allocation
P1 8 3
P2 9 4
P3 5 2
P4 3 1

With reference to current allocation, is system safe? If so, what is the safe sequence?
a. No
b. Yes, P1 P2 P3 P4
c. Yes, P4 P3 P1 P2
d. Yes, P2 P1 P3 P4
Answer:Yes, P4 P3 P1 P2
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