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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.
Briefly describe what the notion of "normal operation" means to an executing computer program
Write a program that reads a series of whitespace delimited strings from stdin and prints them back out, separated by spaces, in lexicographic order. You may assume that all strings are lower case and that no string has more than 20 characters.
More registers appears to be a good thing, in terms of reducing the total number of memory accesses a program might require. Using the arithmetic expression S = (A+B)-(C+D)
Provide an example of weighted directed graph G = (V, E) with weight function ω:E→R and source vertex s such that G satisfies following property.
What UID and PID have the highest amount of physical memory a process has used and is not swapped out? Show all processes and full output.
Write and test a function that prints an error message in the following format.
LID technology is the alternative comprehensive approach to stormwater management. It can be utilized to address wide range of Wet Weather Flow (WWF) issues.
The sheet "Customers" contains data from City Health Club. Customers are listed by a customer ID with the plan they signed up for and the date that they paid for the period starting on July 1st. You are given a spreadsheet with the data using a co..
Explain the three general sources of security threats
Explain two standard APIs supported by JAXP (Java API for XML processing) and give a comprison between two mechanism.
Write a program that reads a file ("scores.txt") consisting of students' test scores in the range of 0-200. These scores should be loaded into a one-dimensional array. Then the program should determine the number of students having scores in each ..
Write down at least three benefits and three negative effects brought about by workplace automation.
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