1. Given the following set of processes and the length of the CPU burst given in milliseconds, show how these processes are scheduled according to Round Robin scheduling. Use a time quantum of 2 milliseconds. Process Burst Time (ms) Pl4 P2 P3 Draw the Gantt-chart for the scheduling algorithm. Inside each box, write the name of the process and specify the start and end of each scheduled time below. a) b) Calculate the average waiting time