parallel computing set 1 Detailed Explanation And More Example
MOST IMPORTANT computer mcq - 2 EXERCISES
The following question based on parallel computing topic of computer mcq
(a) In parallel computing, it is a qualitative measure of the ratio of computation to communication
(b) Here relatively small amounts of computational work are done between communication events
(c) Relatively large amounts of computational work are done between communication / synchronization events
(d) None of these
The correct answers to the above question in:
Answer: (b)
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Question : 1
Granularity is
a) In parallel computing, it is a qualitative measure of the ratio of computation to communication
b) Here relatively small amounts of computational work are done between communication events
c) Relatively large amounts of computational work are done between communication / synchronization events
d) None of these
Answer »Answer: (a)
Question : 2
Distributed Memory
a) A computer architecture where all processors have direct access to common physical memory
b) It refers to network based memory access for physical memory that is not common
c) Parallel tasks typically need to exchange dat(A) There are several ways this can be accomplished, such as through, a shared memory bus or over a network, however the actual event of data exchange is commonly referred to as communications regardless of the method employe(D)
d) None of these
Answer »Answer: (b)
Question : 3
Serial Execution
a) A sequential execution of a program, one statement at a time
b) Execution of a program by more than one task, with each task being able to execute the same or different statement at the same moment in time
c) A program or set of instructions that is executed by a processor.
d) None of these
Answer »Answer: (a)
Question : 4
In designing a parallel program, one has to break the problem into discreet chunks of work that can be distributed to multiple tasks. This is known as
a) Decomposition
b) Partitioning
c) Compounding
d) Both A and B
Answer »Answer: (d)
Question : 5
Load balancing is
a) Involves only those tasks executing a communication operation
b) It exists between program statements when the order of statement execution affects the results of the program.
c) 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.
d) None of these
Answer »Answer: (c)
Question : 6
These applications typically have multiple executable object files (programs). While the application is being run in parallel, each task can be executing the same or different program as other tasks. All tasks may use different data
a) Single Program Multiple Data (SPMD)
b) Multiple Program Multiple Data (MPMD)
c) Von Neumann Architecture
d) None of these
Answer »Answer: (b)
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