In a batch operating system, three jobs are submitted for execution. Each job involves an i/o activity, cpu time and another i/o activity of the same time span as the first. Job job1 requires a total of 23 ms, with 3 ms cpu time; job2 requires a total time of 29 ms with 5 ms cpu time; job3 requires a total time of 14 ms with 4 ms cpu time. Illustrate their execution and find cpu utilization for uniprogramming and multiprogramming systems. Here cpu utilization is defined as ratio total execution time by cpu execution time.

Which number is main idea? i need answer quick. (1) people may think that love and romantic feelings are enough of a basis for choosing a spouse. (2) the chances of a marriage surviving, however, would improve if prospective marriage partners considered a few unromantic questions before deciding on matrimony. (3) for example, do the two individuals involved share a common socioeconomic background? (4) the more similar they are in their social, economic, religious, and cultural backgrounds, the more similar their expectations about married life will be. (5) in addition, what are their goals? (6) it’s a big advantage to the marriage if they know and share one another’s goals concerning career, lifestyle, and family. (7) finally, and maybe most important, how does the prospective spouse treat others in his or her life? (8) during the courtship, the boyfriend or girlfriend may get special consideration, but in the long run, spouses will probably treat each other about the same way they treat their own family members.

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Living organism in our word are connected to other variety of ways