d) A multilevel feedback queue is given in figure 5. quantum8 quantum 16 FCFS Figure 5 (i) What is the use of having multiple queues? (i) Why does each queue connected to one another? (ii) Explain the difference between a multilevel queue and the queue given in the (2 marks) (2 marks) 4 marks) Figure 5 (iv) Explain an advantage and two disadvantages of FCFS policy. (v) Explain the relationship between quantum and number of context switching (3 marks) time (2 marks)