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) Here all processors have equal access and access times to memory
(b) Here if one processor updates a location in shared memory, all the other processors know about the update.
(c) Here one SMP can directly access memory of another SMP and not all processors have equal access time to all memories
(d) None of these
The correct answers to the above question in:
Answer: (b)
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Read more parallel computing Based Computer Questions and Answers
Question : 1
Scalability refers to a parallel system’s (hardware and/or software) ability
a) To demonstrate a proportionate increase in parallel speedup with the removal of some processors
b) To demonstrate a proportionate increase in parallel speedup with the addition of more processors
c) To demonstrate a proportionate decrease in parallel speedup with the addition of more processors
d) None of these
Answer »Answer: (b)
Question : 2
Uniform Memory Access (UMA) referred to
a) Here all processors have equal access and access times to memory
b) Here if one processor updates a location in shared memory, all the other processors know about the update.
c) Here one SMP can directly access memory of another SMP and not all processors have equal access time to all memories
d) None of these
Answer »Answer: (a)
Question : 3
Parallel computing can include
a) Single computer with multiple processors
b) Arbitrary number of computers connected by a network
c) Combination of both A and B
d) None of these
Answer »Answer: (c)
Question : 4
Massively Parallel
a) Observed speedup of a code which has been parallelized, defined as: wall-clock time of serial execution and wall-clock time of parallel execution
b) The amount of time required to coordinate parallel tasks. It includes factors such as: Task start-up time, Synchronizations, Data communications.
c) Refers to the hardware that comprises a given parallel system - having many processors
d) None of these
Answer »Answer: (b)
Question : 5
In shared Memory:
a) Here all processors access, all memory as global address space
b) Here all processors have individual memory
c) Here some processors access, all memory as global address space and some not
d) None of these
Answer »Answer: (a)
Question : 6
Parallel 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: (b)
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