Answer / chaitanya

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

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 What is the output of the given statement? * (defclass article() ((title :accessor article-title :initarg :title) (author :accessor article-author :initarg :author))) a) Article b) c)  d) None of the mentioned

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 What is the output of the given statement? * (defstruct triangle (base 0) (altitude 0)) * (defun area (figure) (cond ((triangle-p figure) (* 1/2 (triangle-base figure) (triangle-altitude figure))))) * (setf triangle (make-triangle :base 2 :altitude 3)) * (area triangle) a) Triangle b) 7 c) 6 d) 10

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Explain what is CLOS in LISP? What are the goals of the common lisp object system?

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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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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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 Which symbol holds the first element and also an index in LISP? a) Nail b) Tail c) Initial d) All 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)) * (person-personality person-instance-2) a) Female b) Nice c) Person d) Both a & b

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Explain what is List structures in Prolog?

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

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Mention why you have to use “is” instead of “=” in Prolog when it comes to applying calculation logic?

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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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