Stacks Questions

MCQ bookmark_border

71.

Evaluate Postfix expression from given infix expression.A + B * (C + D) / F + D * E

A

AB+CD*F/+D*E

B

ABCD+*F/+DE*+

C

ABCD+*/F+DE*

D

AB+CD*F/+DE*

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

72.

Expression in which Operator is written after Operand is called as ________.

A

Infix Expression

B

Postfix Expression

C

Prefix Expression

D

None of the above

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

73.

Which of the following is an example of Postfix expression ?

A

(A + B) / C

B

A B C ^ / D E * + A C * -

C

* + A B C

D

None of these

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

74.

Convert the following infix expression to postfix expression -A / B ^ C + D * E - A * C

A

A B C / ^ D E * + A C * -

B

A B C ^ / D * E + A C * -

C

A B C ^ / D E * + A * C -

D

A B C ^ / D E * + A C * -

Correct Answer: D

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

75.

Convert the following infix expression to postfix expression -B * C - C + D / A / ( E + E )

A

B C * C - D A / E E + / +

B

B C C * - D A / E E + / +

C

B C C - * D A / E E + / +

D

B C C - * D / A E E + / +

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

76.

In Computer generally _________ expressions are preferred.

A

Postfix

B

Infix

C

Prefix

D

None of the above

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

77.

Data Structure required to evaluate infix to postfix is __________.

A

Pointer

B

Heap

C

Stack

D

Queue

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

78.

What will be the postfix form of the above expression -(A+B)*(C*D-E)*F/G

A

A B + C D E * - F G / * *

B

A B + C D ∗ E − F G / ∗ ∗

C

A B + C D ∗ E − F G ∗ / ∗

D

None of these

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

79.

Stack cannot be used to

A

Evaluation of Expression in Postfix form

B

Reversing String

C

Implementation of Recursion

D

Allocating Resources and Scheduling

Correct Answer: D

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

80.

Expression1 * 2 ^ 3 * 4 ^ 5 * 6is evaluated as -

A

32^30

B

173458

C

162^30

D

49152

Correct Answer: D

None.

Check Answer report_problem Report forum Discussion