Answer / chaitanya

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Mention what are the three functions required by LISP?

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 What is the output of the given statement? * (setf day-or-date ‘monday) * (if (symbolp day-or-date) ‘day ‘date) a) Monday b) Day c) Date 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 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? * (defun book-author (book) (second book)) * (setf book-example-1 ‘((Artificial Intelligence) (Patrick) (Technical AI))) * (book-author book-example-1) a) Artificial Intelligence b) Patrick c) Technical AI 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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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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What is the process of arranging procedures into layers? a) Procedure b) Abstraction c) Abstraction layers d) Procedure abstraction

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

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Explain what is LISP constants?

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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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