Q4: Evaluate FIFO, LIFO, SJF and Round Robin with Quanta 90 and 20 for the following situation. Which one is most efficient? 10 Process Name Resource 100 P1 P2 P3 P4 P5 20 80 40 60 Q4: Evaluate FIFO, LIFO, SJF and Round Robin with Quanta 90 and 20 for the following situation. Which one is most efficient? 10 Process Name Resource 100 P1 P2 P3 P4 P5 20 80 40 60