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Annabelle Gartner CS-492 Operating Systems Homework 1 I pledge my honor that I have abided by the Stevens Honors System. Problem 1. Consider a multiprogrammed system with degree of 6 (i.e., six p... rograms in memory at the same time). Assume that each process spends 40% of its time waiting for I/O. What will be the CPU utilization? The formula for calculating CPU utilization is 1−P n . In this case, n = 6. P = 40/100 = 0.4 0.4¿ 6=1−0.004096=0.9959 1−¿ The CPU utilization is 99% Problem 2. What are the benefits of threads vs processes? What is the biggest advantage of implementing threads in user space? What is the biggest disadvantage? Processes are not as efficient as threads [Show More]
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