3.Discuss how the following pairs of scheduling criteria conflict in certain settings. a.CPU utilization and response time. b.Average turnaround time and maximum waiting time. c.I/O device utilization and CPU utilization. 4.Name two methods that I/O devices notify the cpu.Discuss the pros and cons of each method. Give some examples using the two methods. A卷总_8_页第_4_页A 卷 总 8 页 第 4 页 3. Discuss how the following pairs of scheduling criteria conflict in certain settings. a. CPU utilization and response time. b. Average turnaround time and maximum waiting time. c. I/O device utilization and CPU utilization. 4. Name two methods that I/O devices notify the cpu. Discuss the pros and cons of each method. Give some examples using the two methods