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MCQs

Total Questions : 34 | Page 4 of 4 pages
Question 31. It is the simultaneous use of multiple compute resources to solve a computational problem
  1.    Parallel computing
  2.    Single processing
  3.    Sequential computing
  4.    None of these
 Discuss Question
Answer: Option A. -> Parallel computing
Answer: (a)
Question 32. Parallel Overhead is
  1.    Observed speedup of a code which has been parallelized, defined as: wall-clock time of serial execution and wall-clock time of parallel execution
  2.    The amount of time required to coordinate parallel tasks. It includes factors such as: Task start-up time, Synchronizations, Data communications.
  3.    Refers to the hardware that comprises a given parallel system - having many processors
  4.    None of these
 Discuss Question
Answer: Option B. -> The amount of time required to coordinate parallel tasks. It includes factors such as: Task start-up time, Synchronizations, Data communications.
Answer: (b)
Question 33. Domain Decomposition
  1.    Partitioning in that the data associated with a problem is decompose(D) Each parallel task then works on a portion of the dat(A)
  2.    Partitioning in that, the focus is on the computation that is to be performed rather than on the data manipulated by the computation. The problem is decomposed according to the work that must be done. Each task then performs a portion of the overall work.
  3.    It is the time it takes to send a minimal (0 byte) message from point A to point (B)
  4.    None of these
 Discuss Question
Answer: Option A. -> Partitioning in that the data associated with a problem is decompose(D) Each parallel task then works on a portion of the dat(A)
Answer: (a)
Question 34. Synchronous communication operations referred to
  1.    Involves only those tasks executing a communication operation
  2.    It exists between program statements when the order of statement execution affects the results of the program.
  3.    It refers to the practice of distributing work among tasks so that all tasks are kept busy all of the time. It can be considered as minimization of task idle time.
  4.    None of these
 Discuss Question
Answer: Option A. -> Involves only those tasks executing a communication operation
Answer: (a)

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