(1)What are Optimization Criteria for CPU Scheduling ?

① CPU utilization. We want to keep the CPU as busy as possible. Conceptually CPU utilization can range from 0 to 100 percent. In a real system it should range from 40 percent (for a lightly loaded system) to 90 percent (for a heavily used system).

②Throughput. If the CPU is busy executing processes then work is being done. One measure of work is the number of processes that are compl