GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 1602 - 1604 of 2080

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Question 1602

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Which of the following statements is/are true? (Dec)

P: Software reengineering is preferable for software products having high failure rates, having poor design and/or having poor code structure.

Q: software reverse Engineering is the process of analyzing software with the objective of recovering its design and requirements specification.

Choose the correct answer from the code given below:

Choices

Choice (4)Response

a.

Neither P nor Q

b.

P and Q

c.

P only

d.

Q only

Question 1603

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Consider the following grammar G: (December)

Where {S, A, B} is the set of non-terminals, {a, b, c} is the set of terminals.

Which of the following statements is/are correct?

S1: LR (1) can parse all strings that are generated using grammar G.

S2: LL (1) can parse all strings that are generated using grammar G.

Choose the correct answer from the code given below:

Choices

Choice (4)Response

a.

Only S2

b.

S1 and S2

c.

Only S1

d.

Neither S1 nor S2

Question 1604

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Suppose for a process P, reference to pages in order are . Assume that main memory can accommodate 3 pages and the main memory has already pages 1 and 2 in the order 1 – first, 2 – second. At this moment, assume FIFO page Replacement Algorithm is used then the number of page faults that occur to complete the execution of process P is (December)

Choices

Choice (4)Response

a.

3

b.

6

c.

4

d.

5

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