Four processes p1 to p4 Given apply Sjf- preemptive and Sjf non preemptive and RR algorithm Draw Gantt chart and calculate (waiting time , Turn around time )

3. Explain the criteria to be considered in case of CPU scheduling Four Process P1 to P4 in given diagram, Apply FIFO and SJF and RR algorithm ,Draw GANTT Chart and Calculate Av. Waiting time, Average Turn Around Time, on the basis of above justify which algorithm is better