Given the following state of a system: The system comprises of five processes and four resources. P1P5

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Given the following state of a system:
The system comprises of five processes and four resources.
P1–P5 denotes the set of processes.
R1–R4 denotes the set of resources.
Total Existing Resources:

Snapshot at the initial time stage:

a. Compute the Available vector.
b. Compute the Need Matrix.
c. Is the current allocation state safe? If so, give a safe sequence of the process. In addition, show how the Available (working array) changes as each process terminates.
d. If the request (1, 1, 0, 0) from P1 arrives, will it be correct to grant the request? Justify your decision.

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