Answer / chaitanya

Cut function is used in Prolog when you want to restrict Prolog from backtracking into certain choicepoints or subgoals, either because the alternatives would give wrong solutions or for efficiency reasons.
Advantage of using cut in Prolog is
Through cut, we can often improve the efficiency of the program
We can specify exclusive rules using cut

Why LISP is used for Artificial Intelligence?

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 What is the output of the following statement? * (cdr ‘(a b c)) a) a b) B c) (B C) D) None of the mentioned

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Explain with an example what is “Setof” predicate in Prolog?

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 What is the output of the given statement? * (defmethod area ((figure rectangle)) (* (rectangle-width figure) (rectangle-height figure))) a) Area b) Rectangle c) Height d) Error

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 What is the output of the following statement? * (setf breakfast ‘(eggs bacon toast tea)) * (cond ((> (length breakfast) 10) ‘glutton) ((not (endp breakfast)) ‘normal)(t ‘anorexic)) a) Anorexic b) Breakfast c) Eggs d) Normal

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What is a data type in which expressions are stored in places identified by integer indexes in LISP? a) Structure b) List c) Array d) None of the mentioned

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What is the output of the following statement? * (setf thing ‘point r 1) * (case thing (circle (*pi r r))(sphere (* 4 pi r r))) a) 1 b) 12.56637 c) NIL d) T

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Explain what is the difference between bagof/3 and setof/3 predicate in Prolog?

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Which checks the evaluated key form against the unevaluated keys using EQL? a) COND b) CASE c) NIL d) SETF

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 What is the output of the following statement? * (defun make (title author) (list (list ‘title title) (list ‘author author))) * (setf book (make ‘(Common Lisp) ‘(Guy steele))) * (defun book-author-writer (book author) (cons (list ‘author author) book)) a) Book b) Book-author c) Book-author-writer d) None of the mentioned

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 What is the output of the following statement in LISP? * (setf thing ‘point r 1) * (case thing (circle (*pi r r))(sphere (* 4 pi r r)) (otherwise 0)) a) 1 b) 0 c) 12.566 d) None of the mentioned

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 What is the output of the given statement in LISP? * (setf abc ‘(a b c) xyz ‘(x y z)) * (setf bc (rest abc)) * bc a) A b) B c) C d) BC

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