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Approximately how many random numbers are using in the permuta tion generation algorithm?
a. 1 b. log N c. N d. N log N e. none of the above
Answer the following statements true (T) or false (F)
1. The first two columns of an OS/JCL statement must contain backslash characters. 2. The job name, step name, or DD name is chosen by the programmer using a combination of from 1 to 8 letters and/or digits. 3. On an OS/JCL statement, one or more blanks (or spaces) separate the name field from the operation field, which must be JOB, EXEC, or DD. 4. Stray blanks are the beginner’s most common OS/JCL error. 5. On an OS/JCL JOB statement, the job name is optional.
Provide an example of a distributed computation that would be difficult to implement in MapReduce, giving full reasons for your answer.
What will be an ideal response?
The rationale for developing industry-standard benchmarks is that __________.
a) benchmarks are difficult to develop and it is more efficient to use already-constructed industry-standard benchmarks. b) industry-standard benchmarks typically reflect the types of applications that are intended to run at a given installation better than a benchmark made at the installation or a production program. c) benchmarks most often are used as a basis of comparison between systems constructed by different vendors. Industry-standard benchmarks are fairer for this comparison than those developed by individual vendors. d) all of the above