Question

Operating Systems

8.27 Consider a demand-paging system with the following time-measured utilizations: CPU utilization Paging disk Other I/O devices 20% 97 7% 5% For each of the following, indicate whether it will (or is likely to) improve CPU utilization. Explain vour answers. Install a faster CPU. Install a bigger paging disk Increase the degree of multiprogramming. Decrease the degree of multiprogramming Install more main memorv. Install a faster hard disk or multiple controllers with multiple hard disks. Add prepaging to the page-fetch algorithms Increase the page size. a. b. c. d. e. f. h.

Answer 1

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