"Consider a system running five I/O-bound tasks and 2 CPU-bound tasks. Assume that the I/O-bound tasks issue an I/O operation once for every millisecond of CPU computing and that each I/O operation takes 10 milliseconds to complete. Also assume that the contextswitching
overhead is 0.2 millisecond and that all processes are long-running tasks.
Remember that when a process requests for I/O operations, it will suspend and another process will need to be selected for execution. What is the CPU utilization for a round-robin scheduler when:
a. The time quantum is 1 millisecond
b. The time quantum is 10 milliseconds"