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MCQ

Post fix form of following infix expression is - * + A B - C D

ABCD + - *

AB + CD - *

AB + CD * -

AB + C - D *

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MCQ

Consider these functions:
push() : push an element into the stack

pop() : pop the top-of-the-stack element

top() : returns the item stored in top-of-the-stack-node

What will be the output after performing these sequence of operations

push(20);

push(4);

top();

pop();

pop();

pop();

push(5);

top();

stack underflow

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MCQ

Post fix form of following infix expression is -(A + B) * (C + D - E) * F

AB + CDE + - * F *

ABCDEF*-+*+

AB + CD - EF + - * *

AB + CD + E - * F *

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MCQ

In the stack, If user try to remove element from the empty stack then it called as ___________.

Empty Collection

Underflow of Stack

Garbage Collection

Overflow of Stack

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MCQ

The result of evaluating the postfix expression 5, 4, 6, +, *, 4, 9, 3, /, +, * is

600

350

650

588

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MCQ

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

AB+CD*F/+D*E

ABCD+*F/+DE*+

ABCD+*/F+DE*

AB+CD*F/+DE*

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Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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