consider a computer system involving 4 processes P1,P2,P3,P4, and 3 different types of resources R1,R2,R3. Assume that 2 instances of R1, 3 instances of R2 and 2 instances of R3 exist (either idle or in use). Assume that: • Pl is holding two instances of R1 and one instance from R2. It is waiting for an instance from R2 and one instance from R3. • P2 is holding an instance of R2 and one instance from R3. It is waiting for an instance from R1. • P3 is holding an instance of R3. • P4 is holding an instance of R2 and waiting for an instance from R3. 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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