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1. Calculate the reliability of a hard disk drive with an MTBF of 2,499 hours during the last 40 hours of this month. Assume e = 2.71828 and use the formula: reliability(t) = e -(1/MTBF)(t) 2. Review the system with one CPU and four drives below:
- CPU W = 4 ms (the average time to execute 1,000 instructions)- Drive A = 45 ms (average data access speed)- Drive B = 3 ms (average data access speed)- Drive C = 17 ms (average data access speed)- Drive D = 10 ms (average data access speed)
Calculate I/O access speed using this CPU and each of the four disk drives as they evaluate the following track requests in this order: 0, 31, 20, 15, 20, 31, 15. Then in each case, calculate the access speeds after the track requests are reordered and rank the four disk drives before and after reordering.
To illustrate how asymptotic notation can be used to rank the efficiency of algorithms, use the relations "Ì" and "=" to put the orders of the following functions into a sequence, where e is an arbitrary real constant, 0
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Many corporate and education organizations use a learning management system (LMS) to deliver online courses to their customers or employees. Consider a system of this type with which you are familiar, such as University's course system.
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