Computers and Technology, 20.04.2020 21:00 HahaHELPP
1. Compare the similarities and differences between traditional computing and the computing clouds launched in recent years. Also discuss possible convergence of the two computing paradigms in the future.
2. An increasing number of organizations in industry and business adopt cloud systems. Answer the following questions regarding cloud computing:
a. List and describe the main characteristics of cloud computing systems.
b. Discuss key enabling technologies in cloud computing systems.
c. Discuss different ways for cloud service providers to maximize their revenues.
d. Characterize the three cloud computing models using suitable examples.
Answers: 1
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Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?
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Atype of researcher who uses computers to make sense of complex digital data
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1. Compare the similarities and differences between traditional computing and the computing clouds l...
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