parallel computing Practice Questions Answers Test with Solutions & More Shortcuts

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

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

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

Question : 4

In shared Memory

a) Changes in a memory location effected by one processor do not affect all other processors.

b) Changes in a memory location effected by one processor are visible to all other processors

c) Changes in a memory location effected by one processor are randomly visible to all other processors.

d) None of these

Question : 5

Collective communication

a) It involves data sharing between more than two tasks, which are often specified as being members in a common group, or collective.

b) It involves two tasks with one task acting as the sender/producer of data, and the other acting as the receiver/consumer.

c) It allows tasks to transfer data independently from one another.

d) None of these