Define request edge and assignment edge, Operating System

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Define request edge and assignment edge.

Answer: A directed edge from process Pi to resource type R_j is denoted by Pi->j; it signifies that process Pi requested an instance of resource type R_j and is currently waiting for that resource. A directed edge from resource type R_j to process Pi is denoted by R_j->P_i, it signifies that an instance of resource type has been allocated to a process Pi. A directed edge Pi->Rj is called a request edge. A directed edge R->Pi is called as an assignment edge.

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