Artificial Intelligence NTA UGC NET Question Analysis p2

Artificial Intelligence NTA UGC NET Question Analysis P2

Q51➡ |
Which one of the following is true?

i ➥ The resolvent of two Horn clauses is not a Horn clause

ii ➥ The resolvent of two Horn clauses is a Horn Clause.

iii ➥ If we resolve a negated goal G against a fact or rule A to get Clause C then C has positive literal and non null-goal.

iv ➥ (D) If we resolve a negated goal G against a fact or rule A to get clause C then C has positive literal or null goal.

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Answer: II
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Q52➡ |
How does randomized hill-climbing choose the next move each time?

i ➥ It generates a random move from the moveset, and accepts this move.

ii ➥ It generates a random move from the whole state space, and accepts this move.

iii ➥ It generates a random move from the moveset, and accepts this move only if this move improves the evaluation function.

iv ➥ It generates a random move from the whole state space, and accepts this move only if this move improves the evaluation function.

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Answer: III
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Q53➡ |
. A software program that infers and manipulates existing knowledge in order to generate new knowledge is known as:

i ➥ Data Dictionary

ii ➥ Reference Mechanism

iii ➥ Inference Engine

iv ➥ Control Strategy

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Answer: III
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Q54➡ |
Horn clauses are special kinds of propositions which can be described as

i ➥ Single atomic proposition on left side.

ii ➥ Single or multiple atomic proposition on left side.

iii ➥ A single atomic proposition on left side and a single atomic proposition on right side

iv ➥ A single atomic proposition on left side or an empty left side

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Answer: IV
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Q55➡ |
Which of the following is/are the fundamental semantic model(s) of parameter passing?

i ➥ in mode

ii ➥ out mode

iii ➥ in-out mode

iv ➥ all of the above

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Answer: IV
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Q56➡ |
Which one of the following is not an informed search technique?

i ➥ Hill climbing search

ii ➥ Best first search

iii ➥ A* search

iv ➥ Depth first search

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Answer: IV
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Q57➡ |
High level knowledge which relates to the use of sentences in different contexts and how the context affect the meaning of the sentences?

i ➥ Morphological

ii ➥ Syntactic

iii ➥ Semantic

iv ➥ Pragmatic

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Answer: IV
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Q58➡ |
The objective of ……………… procedure is to discover at least one …………… that causes two literals to match.

i ➥ unification, validation

ii ➥ unification, substitution

iii ➥ substitution, unification

iv ➥ minimax, maximum

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Answer: II
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Q59➡ |
If h* represents an estimate of the cost of getting from the current node N to the goal node and h represents actual cost of getting from current node to the goal node, then A* algorithm gives an optimal solution if

i ➥ h* us equal to h

ii ➥ h* overestimates h

iii ➥ h* underestimates h

iv ➥ none of these

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Answer: III
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Q60➡ | The mean-end analysis process centers around the detection of differences between the current state and the goal state. Once such a difference is isolated, an operator that can reduce the difference must be found. But perhaps that operator cannot be applied to the current state. So a sub-problem of getting to a state in which it can be applied is set up. The kind of backward chaining in which operators are selected and then sub goals are set up to establish the precondition of operators is called

i ➥ backward planning

ii ➥ goal stack planning

iii ➥ operator subgoaling

iv ➥ operator overloading

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Answer: III
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Q61➡ |
An expert system shell is an expert system without

i ➥ domain knowledge

ii ➥ explanation facility

iii ➥ reasoning with knowledge

iv ➥ all of the above

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Answer: I
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Q62➡ |
A cryptarithmetic problem of the type
SEND
+MORE
__________
MONEY
Can be solved efficiently using

i ➥ depth first technique

ii ➥ breadth first technique

iii ➥ constraint satisfaction technique

iv ➥ bidirectional technique

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Answer: III
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Q63➡ |
The map colouring problem can be solved using which of the following technique?

i ➥ Means-end analysis

ii ➥ Constraint satisfaction

iii ➥ AO* search

iv ➥ Breadth first search

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Answer: II
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Q64➡ |
Which of the following is a knowledge representation technique used to represent knowledge about stereotype situation?

i ➥ Semantic network

ii ➥ Frames

iii ➥ Scripts

iv ➥ Conceptual Dependency

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Answer: III
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Q65➡ |
………….. predicate calculus allows quantified variables to refer to objects in the domain of discourse and not to predicates or functions.

i ➥ Zero-order

ii ➥ First-order

iii ➥ Second-order

iv ➥ High-order

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Answer: II
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Q66➡ |
Consider f(N) = g(N) + h(N) Where function g is a measure of the cost of getting from the start node to the current node N and h is an estimate of additional cost of getting from the current node N to the goal node. Then f(N) = h(N) is used in which one of the following algorithms

i ➥ A* algorithm

ii ➥ AO* algorithm

iii ➥ Greedy best first search algorithm

iv ➥ Iterative A* algorithm

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Answer: III
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Q67➡ |
A horn clause is ………………….

i ➥ A clause in which no variables occur in the expression

ii ➥ A clause that has at least one negative literal

iii ➥ A disjunction of a number of literals

iv ➥ A clause that has at most one positive literal

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Answer: IV
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Q68➡ |
Reasoning strategies used in expert systems include ……………

i ➥ Forward chaining, backward chaining and problem reduction

ii ➥ Forward chaining, backward chaining and boundary mutation

iii ➥ Forward chaining, backward chaining and back propagation

iv ➥ Backward chaining, problem reduction and boundary mutation

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Answer: I
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Artificial Intelligence PYQ Part-1