Artificial Intelligence 2076(old)

Tribhuwan University
Institute of Science and Technology
2076(old)
Bachelor Level / Fourth Semester / Science
Computer Science and Information Technology ( CSC261 )
( Artificial Intelligence )
Full Marks: 60
Pass Marks: 24
Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.

Attempt all questions.

1. How turing Test is used to evaluate intelligence of a machine? What properties a machine should have to pass the Total turing test?[4+2]

6 marks view

2. What are intelligent agents? Differentiate Model Based Agents differ from utility Based Agents differ from utility Based Agent. Mention suitable examples of each.[1+5]

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3. In problem solving, what is the concept of state space, state, successor function, goal test and path cost? Illustrate each with suitable example.[6]

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4. Consider the search space below, where S is start state and G1 and G2 are goal state. The arcs are labelled with step cost. Given the heuristic by H(~) for each nodes. Now use iterative depending and greedy best first search for finding the goal state, Also determine which goal state is reached first in each case.[6]


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5. How searching is done in adverserial search? Given following search space with utility values perform minimax search for max player and identify the possible alpha/beta cutoff.[1+5]


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6.What does it means to train a neural network? Consider following neural network, how back-propagation algorithm can be used to train it?  [6]


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7. How Knowledge is represented using scripts? Support your answer with suitable example.[6]

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8. What do you mean by natural language processing? What is the importance of pragmatic analysis in NLP? [3+3]

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9. What is the use of Baye's rule? Consider in a school, the number of boys student is 46% and that of girl student is 54%. Suppose 4% of boys student are over 5 feet tall and 2% of girls student are over 5 feet tall. If  a student is selected at random from among all those over 5 feet tall, what is the probability that the student is girl?[1+5]

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10. Convert following statements to FoPL.[6]

No teachers are ignorant.

Some teachers who are ignorant are not skillful.

All skillfull teachers are likely by all.

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