GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 1596 - 1598 of 2080

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Question 1596

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Consider the following statements: (December)

S1: A heuristic is admissible if it never overestimates the cost to reach the goal.

S2: A heuristic is monotonous if it follows triangle inequality property.

Which one of the following is true referencing the above statements?

Choose the correct answer from the code given below:

Choices

Choice (4)Response

a.

The Statements S1 and S2 are true.

b.

Statements S1 is true but Statement S2 is false.

c.

Statements S1 is false but Statement S2 is true.

d.

Neither of the statements S1 and S2 are rue.

Question 1597

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Consider a relation schema on which the following functional dependencies hold: (December)

What are the candidate keys of R?

Choices

Choice (4)Response

a.

AE and BE

b.

AEF, BEF and BCF

c.

AE, BE and DE

d.

AEF, BEF and DEF

Question 1598

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Which of the following statements is/are false? (December)

P: The clean-room strategy to software engineering is based on the incremental software process model.

Q: The clean-room strategy to software engineering is one of the ways to overcome “unconscious” copying of copyrighted code.

Choose the correct answer from the code given below:

Choices

Choice (4)Response

a.

Q only

b.

P and Q

c.

P only

d.

Neither P nor Q

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