Answer / chaitanya

The two pre-defined packages in LISP are
• Common Lisp: It contains symbols for all the functions and variables defined
• Common Lisp User: It uses the common-lisp package and all other packages with editing and debugging tools

Which keyword is used to define macro procedures in LISP? a) Defun b) Demacro c) Defmacro d) None of the mentioned

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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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 What is the output of the following statement? * (defun make (title author) (list (list ‘title title) (list ‘author author))) * (setf book (make ‘(Common Lisp) ‘(Guy steele))) * (defun book-author-writer (book author) (cons (list ‘author author) book)) a) Book b) Book-author c) Book-author-writer 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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 Which keyword embeds the initial element in an array in LISP? a) Initial b) Initial-content c) Initial-element d) None of the mentioned

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Explain what is List structures in Prolog?

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 Explain what is SWI-Prolog?

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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 following statement? * (defun both-ends-with-special ()(setf whole-list (cons (first whole-list) (last whole-list)))) * (setf whole-list ‘(monday tuesday wednesday thursday friday)) * (both-ends-with-special) a) Monday b) Friday c) Wednesday d) Both a & b

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 What is the output of the following statement? * (setf meals ‘(breakfast lunch tea dinner)) * (cons (first meals) (last meals)) a) Breakfast b) Lunch c) Dinner d) Both a & c

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Explain with an example what is “Setof” predicate in Prolog?

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