Answer / chaitanya

In Prolog, backtracking is a process adopted by Prolog.  When a sub-goal fails in Prolog, the Prolog system moves its steps backwards to the previous goal and tries to re-satisfy it. Backtracking enables Prolog to find all alternative solutions to a given query.

 What should be used with structure names with a combination? a) Make- b) Make c) Create d) Deploy

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 Mention what is the difference between = and = = in Prolog?

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Which creates reader procedures for getting things out of an instance fields? a) Structure in LISP b) Defstruct c) Class d) Object

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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 the output of the given statement? * (defun when-plusp-with-bug (number result); (when (plusp number) result)); * (setf pressure -2) * (when-plusp-with-bug pressure (print ‘alarm)) a) Alarm b) Nil c) Both a & b d) None of the mentioned

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 Why in prolog it is said that Program and Data are the same thing?

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Which keyword is used to define the method? a) Defun b) Destruct c) Demake d) Defmethod

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 What is the other name of boxes in LISP? a) Cons cells b) Conses c) Both a & b d) None of the mentioned

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 What is the output of the following statement? * (first ‘( p h w)) a) P b) H c) W d) phw

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 What is the output of the following statement? * ‘(first (first (rest (rest ((a b) (c d) (e f)))))) a) a b) b c) ab d) (FIRST (FIRST (REST (REST ((A B) (C D) (E F))))))

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Which is present in the writer procedure for arrays in LISP? a) Setf b) Aref c) Fref d) Both a & b

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 Which is a procedures supplied by user in terms of primitives? a) Custom b) User-defined c) Definite d) All of the mentioned

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