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

 What is the programming structure for LISP?

1 Answers  

---

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

1 Answers  

---

 Which keyword is used to construct an array in LISP? a) Array b) Make-array c) Bins d) Make

1 Answers  

---

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

2 Answers  

---

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

1 Answers  

---

Which is used to seperate the abstraction layers? a) Abstraction boundaries b) Data c) Procedure d) All of the mentioned

1 Answers  

---

 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

1 Answers  

---

 Explain what is setq is used for in LISP?

1 Answers  

---

What is the output of the given statement? * (defstruct person (sex nil) (personality ‘nice)) * (setf person-instance-1 (make-person)) * (setf person-instance-2 (make-person :sex ‘female)) a) Person :sex female :personality nice b) Person :sex c) Sex:Female d) None of the mentioned

1 Answers  

---

. What is the output of the given statement? * (setf high 98 temperature 102) * (when (> temperature high) (setf high temperature) ‘new-record) * high a) 98 b) 102 c) new d) Error

1 Answers  

---

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

1 Answers  

---

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

1 Answers  

---