parallel computing set 2 Detailed Explanation And More Example

Question : 1

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 : 2

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 : 3

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

Question : 4

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