Suppose State Computer System Described Following Characteristics System Comprises Five Pr Q43779477
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Suppose that the state of a computer system is described by the following characteristics: The system comprises of five processes and four types of resources. • PO-P4 denotes the set of processes • R1-R4 denotes the set of resource types • Total Existing Resources are: Resource types R1 R2 R3 R4 The number of items of each type: 7 • During the launch, the processes declared their maximum requests: Max Resource types Processes RI R2 R3 PO 3 3 P12 P2 3 2 3 P3 • Currently used resources are described as follows: (Allocation Resource types Processes R1 R2 R3 0 0 P21 P3 1 P4 20 Assignment: a) Compute the [Available vector. b) Compute the [Need matrix. c) Using the bankers’ algorithm, determine if the system is currently in a safe state. If so, give a safe sequence of the process In addition, show how the Available] (Working) vector 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 using the bankers’ algorithm Show transcribed image text Suppose that the state of a computer system is described by the following characteristics: The system comprises of five processes and four types of resources. • PO-P4 denotes the set of processes • R1-R4 denotes the set of resource types • Total Existing Resources are: Resource types R1 R2 R3 R4 The number of items of each type: 7 • During the launch, the processes declared their maximum requests: Max Resource types Processes RI R2 R3 PO 3 3 P12 P2 3 2 3 P3 • Currently used resources are described as follows: (Allocation Resource types Processes R1 R2 R3 0 0 P21 P3 1 P4 20 Assignment: a) Compute the [Available vector. b) Compute the [Need matrix. c) Using the bankers’ algorithm, determine if the system is currently in a safe state. If so, give a safe sequence of the process In addition, show how the Available] (Working) vector 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 using the bankers’ algorithm
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