Answer / chaitanya

“=” triggers unification in Prolog
“is” triggers arithmetic evaluation in Prolog
So, in Prolog you cannot use “=” when you want to calculate something like 2+4=6, but instead you have to use 2+4 is 6.

Which is a string of boxes linked by arrow like pointers in LISP? a) Lisp b) List c) Variables d) Pointers

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Name the sector where prolog programming language is used?

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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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 How the clause is called if it contains a test, as well as zero or more additional forms in LISP? a) Conditional b) Consequents c) Clause d) None of the mentioned

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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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Which enables storage in procedurally indexed places in LISP? a) Defstruct b) Object c) Structure d) None of the mentioned

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What will happen if the value of all the test-forms are nil? a) Nothing b) COND form is 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 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 person (sex nil) (personality ‘nice)) * (setf person-instance-1 (make-person)) * (setf person-instance-2 (make-person :sex ‘female)) a) Person :sex female :personality nice b) Person :sex c) Sex:Female d) None of the mentioned

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

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 Explain what is the importance of the hash table in LISP?

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