Artificial Intelligence and Robotics (AIR)

Q 41. A _________ is used to demonstrate, on a purely syntactic basis, that one formula is a logical consequence of another formula.

(A) deductive systems
(B) inductive systems
(C) reasoning with knowledge based systems
(D) search based systems
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Q 42. The formula or sentences that can be maid true by certain valuation function are called

(A) valid formula
(B) satisfiable formula
(C) unsatisfiable formula
(D) invalid formula
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Q 43. What is the nature of the sentence: ∀x ∀y (TeacherOf(x,y) ⊃ StudentOf(y,x))

(A) symmetry
(B) exhaustiveness
(C) inverse
(D) none of the above
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Q 44. ______Graph is used to represent semantic network

(A) undirected
(B) directed
(C) ---
(D) ---
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Q 45. Is the following rule of inference valid one

(A) no
(B) yes
(C) ---
(D) ---
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Q 46. If a logic produces only true statements and does not produce any false statement it shows which of the following property

(A) completeness
(B) soundness
(C) consistency
(D) none of these
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Q 47. Not only do formal logics allow representation of knowledge, but they also allow representation of knowledge Mechanisms for reasoning using a collection of well-defined manipulation rules Of Representations.

(A) true
(B) false
(C) ---
(D) ---
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Q 48. _______ Is an algorithm, a loop that continually moves in the direction of increasing value – that is uphill.

(A) up-hill search
(B) hill-climbing
(C) hill algorithm
(D) reverse-down-hill search
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Q 49. The performance of an agent can be improved by ______

(A) learning
(B) observing
(C) perceiving
(D) sensing
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Q 50. Which of the following are true for the algorithms Beam Stack Search (BSS)and Divide-and-Conquer Beam Stack Search (DCBSS).

(A) bss finds the optimal path while dcbss does not.
(B) dcbss finds the optimal path while bss does not.
(C) both bss and dcbss find the optimal path.
(D) neither bss and dcbss find the optimal path.
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