GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 356 - 357 of 2080

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Question 356

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

Which one of the following statements is incorrect? (December)

Choices

Choice (4)Response

a.

Pareto analysis is a statistical method used for analysing causes, and is one of the primary tools for quality management.

b.

Reliability of a software specifies the probability of failure-free operation of that software for a given time duration.

c.

In white-box testing, the test cases are decided from the specifications or the requirements.

d.

The reliability of a system can also be specified as the Mean Time To Failure (MTTF) .

Question 357

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

Consider a system with twelve magnetic tape drives and three processes P1, P2 and P3. Process P1 requires maximum ten tape drives, process P2 may need as many as four tape drives and P3 may need upto nine tape drives. Suppose that at time t1, process P1 is holding five tape drives, process P2 is holding two tape drives and process P3 is holding three tape drives. At time t1, system is in: (December)

Choices

Choice (4)Response

a.

Safe state

b.

Starvation state

c.

Unsafe state

d.

Deadlocked state

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