High Performance Computing MCQ Questions and Answers UNIT – 2 What is High performance computing ? HPC – High Performance Computing is the use of parallel processing for running advanced application programs efficiently, reliably and quickly. The term applies especially to systems that function above a teraflop or 1012 floating-point operations per second. The term HPC is occasionally used as a synonym for supercomputing, although technically a supercomputer is a system that performs at or near the currently highest operational rate for computers. Some supercomputers work at more than a petaflop or 1015 floating-point operations per second.
High performance computing mcq sppu
High performance computing multiple choice questions
High performance computing mcq Unit 2
- The First step in developing a parallel algorithm is_
a)To Decompose the problem into tasks that can be executed concurrently
b)Execute directly
c)Execute indirectly
d)None of Above
Answer: a)To Decompose the problem into tasks that can be executed concurrently
- The number of tasks into which a problem is decomposed determines its_
a)Granularity
b)Priority
c)Modernity
d)None of Above
Answer: a)Granularity
- The length of the longest path in a task dependency graph is called_
a)the critical path length
b)the critical data length
c)the critical bit length
d)None of Above
Answer: a)the critical path length
- The graph of tasks (nodes) and their interactions/data exchange (edges)_
a)Is referred to as a task interaction graph
b)Is referred to as a task Communication graph
c)Is referred to as a task interface graph
d)None of Above
Answer: a)Is referred to as a task interaction graph
- Mappings are determined by_
a)task dependency
b)task interaction graphs
c)Both A and B
d)None of Above
Answer: c)Both A and B
- Decomposition Techniques are_
a)recursive decomposition
b)data decomposition
c)exploratory decomposition
d)speculative decomposition
e)All of above
Answer: e)All of above
- The Owner Computes rule generally states that the process assigned a particular data item is responsible for _
a)All computation associated with it
b)Only one computation
c)Only two computation
d)Only occasionally computation
Answer: a)All computation associated with it
- A simple application of exploratory decomposition is_
a)The solution to a 15 puzzle
b)The solution to 20 puzzle
c)The solution to any puzzle
d)None of Above
Answer: a)The solution to a 15 puzzle
- Speculative Decomposition consist of _
a)conservative approaches
b)optimistic approaches
c)Both A and B
d)only B
Answer: c)Both A and B
hpc mcq questions
- task characteristics include:
a)Task generation.
b)Task sizes.
c)Size of data associated with tasks.
d)All of above
Answer: d)All of above
- What is a high performance multi-core processor that can be used to accelerate a wide variety of applications using parallel computing.
a)CLU
b)GPU
c)CPU
d)DSP
Answer: b)GPU
- What is GPU?
a)Grouped Processing Unit
b)Graphics Processing Unit
c)Graphical Performance Utility
d)Graphical Portable Unit
Answer: b)Graphics Processing Unit
- A code, known as GRID, which runs on GPU consisting of a set of
a)32 Thread
b)32 Block
c)Unit Block
d)Thread Block
Answer: d)Thread Block
- Interprocessor communication that takes place
a)Centralized memory
b)Shared memory
c)Message passing
d)Both A and B
Answer: d)Both A and B
- Decomposition into a large number of tasks results in coarse-grained decomposition
a)True
b)False
Answer: b)False
- Relevant task characteristics include
a)Task generation.
b)Task sizes
c)Size of data associated with tasks
d)Overhead
e)both A and B
Answer: e)both A and B
- The fetch and execution cycles are interleaved with the help of __
a)Modification in processor architecture
b)Clock
c)Special unit
d)Control unit
Answer: b)Clock
- The processor of system which can read /write GPU memory is known as
a)kernal
b)device
c)Server
d)Host
d)Answer: Host
- Increasing the granularity of decomposition and utilizing the resulting concurrency to perform more tasks in parallel decreses performance.
a)TRUE
b)FALSE
Answer: b)FALSE
Parallel computing mcq with answers
- If there is dependency between tasks it implies their is no need of interaction between them.
a)TRUE
b)FALSE
Answer: b)FALSE
- Parallel quick sort is example of task parallel model
a)TRUE
b)FALSE
Answer: a)TRUE
- True Data Dependency is
a)The result of one operation is an input to the next.
b)Two operations require the same resource.
Answer: a)The result of one operation is an input to the next.
- What is Granularity ?
a)The size of database
b)The size of data item
c)The size of record
d)The size of file
Answer: b)The size of data item
- In coarse-grained parallelism, a program is split into …………………… task and ……………………… Size
a)Large tasks , Smaller Size
b)Small Tasks , Larger Size
c)Small Tasks , Smaller Size
d)Equal task, Equal Size
Answer: a)Large tasks , Smaller Size
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