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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