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This set of High Performance Computing HPC Multiple Choice Questions & Answers (MCQs) focuses on High Performance Computing Set 14

Q1 | If there is 4X4 Mesh Topology ______ message passing cycles will require complete all to all reduction.
  • 4
  • 6
  • 8
  • 16
Q2 | Following issue(s) is/are the true about sorting techniques with parallel computing.
  • large sequence is the issue
  • where to store output sequence is the issue
  • small sequence is the issue
  • none of the above
Q3 | Partitioning on series done after ______________
  • local arrangement
  • processess assignments
  • global arrangement
  • none of the above
Q4 | In Parallel DFS processes has following roles.(Select multiple choices if applicable)
  • donor
  • active
  • idle
  • passive
Q5 | Suppose there are 16 elements in a series then how many phases will be required to sort the series using parallel odd-even bubble sort?
  • 8
  • 4
  • 5
  • 15
Q6 | Which are different sources of Overheads in Parallel Programs?
  • interprocess interactions
  • process idling
  • all mentioned options
  • excess computation
Q7 | The ratio of the time taken to solve a problem on a parallel processors to the time required to solve the same problem on a single processor with p identical processing elements.
  • the ratio of the time taken to solve a problem on a single processor to the time required to solve the same problem on a parallel computer with p identical processing elements.
  • the ratio of the time taken to solve a problem on a single processor to the time required to solve the same problem on a parallel computer with p identical processing elements
  • the ratio of number of multiple processors to size of data
  • none of the above
Q8 | CUDA helps do execute code in parallel mode using __________
  • cpu
  • gpu
  • rom
  • cash memory
Q9 | In thread-function execution scenario thread is a ___________
  • work
  • worker
  • task
  • none of the above
Q10 | In GPU Following statements are true
  • grid contains block
  • block contains threads
  • all the mentioned options.
  • sm stands for streaming multiprocessor
Q11 | Computer system of a parallel computer is capable of_____________
  • decentralized computing
  • parallel computing
  • centralized computing
  • all of these
Q12 | In which application system Distributed systems can run well?
  • hpc
  • distrubuted framework
  • hrc
  • none of the above
Q13 | A pipeline is like .................... ?
  • an automobile assembly line
  • house pipeline
  • both a and b
  • a gas line
Q14 | Pipeline implements ?
  • fetch instruction
  • decode instruction
  • fetch operand
  • all of above
Q15 | A processor performing fetch or decoding of different instruction during the execution of another instruction is called ______ ?
  • super-scaling
  • pipe-lining
  • parallel computation
  • none of these
Q16 | VLIW stands for ?
  • very long instruction word
  • very long instruction width
  • very large instruction word
  • very long instruction width
Q17 | Which one is not a limitation of a distributed memory parallel system?
  • higher communication time
  • cache coherency
  • synchronization overheads
  • none of the above
Q18 | Which of these steps can create conflict among the processors?
  • synchronized computation of local variables
  • concurrent write
  • concurrent read
  • none of the above
Q19 | Which one is not a characteristic of NUMA multiprocessors?
  • it allows shared memory computing
  • memory units are placed in physically different location
  • all memory units are mapped to one common virtual global memory
  • processors access their independent local memories
Q20 | Which of these is not a source of overhead in parallel computing?
  • non-uniform load distribution
  • less local memory requirement in distributed computing
  • synchronization among threads in shared memory computing
  • none of the above
Q21 | Systems that do not have parallel processing capabilities are?
  • sisd
  • simd
  • mimd
  • all of the above
Q22 | How does the number of transistors per chip increase according to Moore ´s law?
  • quadratically
  • linearly
  • cubicly
  • exponentially
Q23 | Parallel processing may occur?
  • in the instruction stream
  • in the data stream
  • both[a] and [b]
  • none of the above
Q24 | To which class of systems does the von Neumann computer belong?
  • simd (single instruction multiple data)
  • mimd (multiple instruction multiple data)
  • misd (multiple instruction single data)
  • sisd (single instruction single data)
Q25 | Fine-grain threading is considered as a ______ threading?
  • instruction-level
  • loop level
  • task-level
  • function-level