Answer / chaitanya

In Prolog, in order to process the elements of a list, we have to match them to variables. The method for doing is
We get the head by matching it to a variable
By calling a predicate with the variable, it processes the head
Until you get an empty list repeat the above steps

What does the language of fopl consist of?

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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))) a) Common Lisp b) Guy steele c) Make d) ((TITLE (COMMON LISP)) (AUTHOR (GUY STEELE)))

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

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Which is used to seperate the abstraction layers? a) Abstraction boundaries b) Data c) Procedure d) All of the mentioned

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 What is the output of the following statement? * (setf book (book=author-writer book ‘(guy steele))) a) Guy b) Steele c) Error d) None of the mentioned

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Explain what is LISP constants?

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Which exploit the fact that lisp forms are just expressions meant to be evaluated? a) List b) Procedure c) Macro d) None of the mentioned

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 What is the output of the given statement? * (defstruct circle (radius 0)) * (defun area (figure) (cond ((circle-p figure) (* pi (expt (circle-radius figure) 2))))) * (setf circle (make-circle :radius 11)) * (area circle) a) 44 b) 380 c) 382 d) 380.132

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What is the difference between the appearance of macro and ordinary definition in LISP? a) Argument list b) Reture value c) Just the defining keyword d) None of the mentioned

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 What is the output of the given statement in LISP? * (setf bins (make-array 4 :initial-element ‘e)) * (aref bins 0) a) E b) 0 c) 4 d) None of the mentioned

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 What is the output of the following statement? * (setf meals ‘(breakfast lunch tea dinner)) * (cons (first meals) (last meals)) a) Breakfast b) Lunch c) Dinner d) Both a & c

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Mention what is Cut (!) in Prolog and what is the advantage of ‘Cut’ and ‘Negation’?

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