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- Question 1 of 20
##### 1. Question

1. Transform the following infix expression to postfix form:

(A+B)*(C-D)/ECorrectIncorrect - Question 2 of 20
##### 2. Question

2. Transform the following infix expression to postfix form:

A-B /(C*D)CorrectIncorrect - Question 3 of 20
##### 3. Question

3. Evaluate the following prefix expression * – + 4 3 5 / + 2 4 3

CorrectIncorrect - Question 4 of 20
##### 4. Question

4. Which of the following is an infix expression?

CorrectIncorrect - Question 5 of 20
##### 5. Question

5. Parentheses are simply ignored in the conversion of infix to postfix expression.

CorrectIncorrect - Question 6 of 20
##### 6. Question

6. It is easier for a computer to process a postfix expression than an infix expression.

CorrectIncorrect - Question 7 of 20
##### 7. Question

7. What is the postfix expression for the infix expression?

a-b-c

CorrectIncorrect - Question 8 of 20
##### 8. Question

8. Which of the following statement is incorrect with respect to infix to postfix conversion algorithm?

CorrectIncorrect - Question 9 of 20
##### 9. Question

9. Evaluate the following postfix expression 1 4 18 6/3 + + 5 / +

CorrectIncorrect - Question 10 of 20
##### 10. Question

10. Transform the following infix expression to prefix form:

((c*2)+1)/(a+b)

CorrectIncorrect - Question 11 of 20
##### 11. Question

11. Transform the following infix expression to prefix form:

Z – ((((X + 1)*2)-5)/Y)

CorrectIncorrect - Question 12 of 20
##### 12. Question

12. Here is an infix expression: 4 + 3 * (6 * 3 – 12). Suppose that we are using the usual stack algorithm to convert the expression from infix to postfix notation. What is the maximum number of symbols that will appear on the stack at one time during the conversion of this expression ?

CorrectIncorrect - Question 13 of 20
##### 13. Question

13. What is the value of the postfix expresion 6 3 2 4 + – *

CorrectIncorrect - Question 14 of 20
##### 14. Question

14. If the expression ((2 + 3) * 4 + 5 * (6 + 7) * 8) + 9 is evaluated with * having precedence over +, then the value obtained is same as the value of which of the following prefix expression ?

CorrectIncorrect - Question 15 of 20
##### 15. Question

15. Evaluate the following prefix expression: +*2+/ 14 2 5 1 ________

CorrectIncorrect - Question 16 of 20
##### 16. Question

16. Parenthesis are never needed prefix or postfix expression:

CorrectIncorrect - Question 17 of 20
##### 17. Question

17. A postfix expression is merely the reverse of the prefix expression:

CorrectIncorrect - Question 18 of 20
##### 18. Question

18. Which among the following data structure may give overflow error, even through the current number of elements in it, is less than its size:

CorrectIncorrect - Question 19 of 20
##### 19. Question

19. Convertion of infix arthimetic expression to postfix expression uses:

CorrectIncorrect - Question 20 of 20
##### 20. Question

20. Match the following

##### Sort elements

- +*2+/ 14
- i-j /(k*l)
- ijkl*/-s

- prefix expression
- infix expression
- postfix expression

CorrectIncorrect

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