Exercise $2$: Consider the processes P$1,$ P$2,$ P$3,$ P$4$ and P$5$ with their respective CPU Burst Times and a Time

Quantum of $4,$ as shown in the table below. Using the Round Robin scheduling algorithm, complete the

following task:

$1-$ Draw a Gantt chart to illustrate how these processes would be scheduled.

$2-$ Calculate the average waiting time