Answer / chaitanya

Predicates are one type of functions that test their arguments for specific conditions and returns nil value if condition is false and if condition is true it retrieves some non-nil value.

Name the sector where prolog programming language is used?

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Explain what is LISP? Give an example of some of the popular applications built in LISP?

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Which is a string of boxes linked by arrow like pointers in LISP? a) Lisp b) List c) Variables d) Pointers

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 Which can build new lists by depositing pointers in free boxes? a) Do b) Dobuild c) Cons d) None of the mentioned

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What is the general pattern that shows how the various parts of an expression fit together? a) Template b) Pattern c) Match 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 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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Which keyword is used to define the method? a) Defun b) Destruct c) Demake d) Defmethod

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 Which class can help to select a method? a) Nonoptional argument b) Class c) Method d) None of the method

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Mention why you have to use “is” instead of “=” in Prolog when it comes to applying calculation logic?

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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? *(setf thing ‘sphere r 1) * (cond ((eq thing ‘circle) (* pi r r)) ((* 4 pi r r))) a) 10.566 b) 11.5683 c) 12.56637 d) 13

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