Answer / chaitanya

In LISP, data types are categorized as
• Scalar Types: Number types, Characters, Symbols, etc.
• Data Structure: list, vectors, bit-vectors and strings

 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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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 abstractions have a prescribed behavior? a) Auxiliary procedures b) Procedure abstraction c) Primary procedures d) None of the mentioned

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 What is the output of the given statement? * (setf pressure 3) * (when-plusp pressure (print ‘alarm)); a) Alarm b) Alarm Alarm c) 1 d) Nil

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Which is used to construct new lists by linking the right pointers? a) Links b) List c) Variables d) Right pointers

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

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 What is the output of the following statement in LISP? * (setf thing ‘point r 1) * (case thing (circle (*pi r r))(sphere (* 4 pi r r)) (otherwise 0)) a) 1 b) 0 c) 12.566 d) None of the mentioned

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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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 Which can be represented in bytes in LISP? a) Boxes and pointers b) Lists c) Lisp d) None of the mentioned

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 Explain what is recursion in Prolog?

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Mention how many types of variables available is LISP? Explain what are the variables that are bound, and that have values assigned to them?

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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))) * (defclass computer-article (article) ()) * (defclass business-article (article) ()) * (defclass political-article (article) ()) * (setf articles (list (make-instance ‘business-article :title “Memory Prices down”))) a) Business article b) Political article c) Business article

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