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Q.

What will be the postfix expression for following infix expression - A + B * C ^ D

A

ABCD*+^

B

ABC+D*^

C

ABCD+*^

D

ABCD^*+

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MCQ

1.

push() and pop() functions are found in

A

queues

B

lists

C

stacks

D

trees

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2.

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

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3.

The data structure required to evaluate a postfix expression is

A

queue

B

stack

C

array

D

linked-list

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4.

The equivalent prefix expression for the following infix expression (A+B)-(C+D*E)/F*G is

A

-+AB*/+C*DEFG

B

/-+AB*+C*DEFG

C

-/+AB*+CDE*FG

D

-+AB*/+CDE*FG

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5.

What is the postfix form of the following prefix expression -A/B*C$DE

A

A-BCDE$*/

B

ABC$ED*/-

C

ABCDE$*/-

D

A-BCDE$*/-

Discussion

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