A system has four processes, P1 through P4, and three types of resources, R1 (3 units), R2 (2 units) and R3 (2 units) Process P1 holds one unit of R1 and requests one R2 Process P2 holds two units of R2 and requests one unit of each of R1 and R3 P3 holds 1 unit of R1 and request 1 unit of R2 P4 holds 2 units of R3 and requests 1 unit of R1 Draw the resource allocation graph for this system and apply the deadlock detection algorithm to show whether there is a deadlock or not Clearly show the applied steps

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Question: A system has four processes, P1 through P4, and three types of resources, R1 (3 units), R2 (2 units) and R3 (2 units). Process P1

A system has four processes, P1 through P4, and three types of resources, R1 (3 units), R2 (2 units) and R3 (2 units).

Process P1 holds one unit of R1 and requests one R2.
Process P2 holds two units of R2 and requests one unit of each of R1 and R3.
P3 holds 1 unit of R1 and request 1 unit of R2.
P4 holds 2 units of R3 and requests 1 unit of R1.

Draw the resource allocation graph for this system and apply the deadlock detection algorithm to show whether there is a deadlock or not. Clearly show the applied steps.

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