Answer / chaitanya

Cut function is used in Prolog when you want to restrict Prolog from backtracking into certain choicepoints or subgoals, either because the alternatives would give wrong solutions or for efficiency reasons.
Advantage of using cut in Prolog is
Through cut, we can often improve the efficiency of the program
We can specify exclusive rules using cut

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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 Explain why matching variable is important in Prolog? What is the method to match variables?

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 Explain what is setq is used for in LISP?

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Which makes it easy to identify the first entry encountered that satisfies a given predicate? a) Reusing b) Revoking c) Template d) Filtering

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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 in LISP? * (Setf part-bins (make-array ‘(4))) a) #Done b) #4 c) #(0 0 0 0) d) None of the mentioned

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Which checks the evaluated key form against the unevaluated keys using EQL? a) COND b) CASE c) NIL d) SETF

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What is the output of the following statement? * (defun (input-list) (if (endp input-list) nil (cons ( (first input-list)) ( (rest input-list))))) a) Procedure b) Transforming c) Input d) Error

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 What is the process of reserving a place in computer memory to store a value for a symbol? a) Storing b) Ranging c) Binding 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 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? * (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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