Which of the following statements is true?
A) Allowing several processes to share time in a multiprogramming system is less efficient than executing each of them to completion one after the other.
B) The use of passwords provides an impenetrable safeguard.
C) Both A and B
D) Neither A not B

Question

Quizplus · Accepted Answer

Option A is incorrect because multiprogramming allows CPU utilization to be increased and response time to be reduced. 
Option B is incorrect because passwords can be hacked or leaked, and are not always secure. Therefore, allowing several processes to share time in a multiprogramming system is more efficient than executing each of them to completion one after the other, and passwords do not provide an impenetrable safeguard.

Which of the Following Statements Is True