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.

 What is the other name of boxes in LISP? a) Cons cells b) Conses c) Both a & b d) None of the mentioned

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 What is the process of creating new data types in lisp? a) List b) Structures c) Procedures d) None of the mentioned

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 What is the output of the given statement in LISP? * (setf bins (make-array 4 :initial-element ‘e)) * (aref bins 0) a) E b) 0 c) 4 d) None of the mentioned

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 What is a symbol thought of as a name for a place to store value? a) Data b) Variable c) Parameters d) None of the mentioned

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What is the output of the given statement? * (setf toss ‘(heads tails tails tails heads tails)) * (delete ‘heads toss) * toss a) Heads tails b) Heads tails tails tails tails c) Heads d) None of the mentioned

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 What is the output of the given statement  in LISP? * (setf part (make-array ‘(8 8))) a) 8 b) 0 0 0 0 0 0 0 0 c) 0 0 0 0 d) 8 rows of 0

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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 following statement? * (defun make (title author) (list (list ‘title title) (list ‘author author))) * (setf book (make ‘(Common Lisp) ‘(Guy steele))) a) Common Lisp b) Guy steele c) Make d) ((TITLE (COMMON LISP)) (AUTHOR (GUY STEELE)))

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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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 Mention what is the difference between = and = = in Prolog?

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 Mention what are the two pre-defined packages used in LISP?

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

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