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MCQ

In the stack process of inserting an element in the stack is called as ___________.

Pop

Evaluation

Create

Push

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MCQ

Which is the predefined method available in Java to convert decimal to binary numbers?

toBinaryInteger(int)

toBinaryValue(int)

toBinaryNumber(int)

toBinaryString(int)

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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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MCQ

Stack A has 3 Elements in it Say X,Y and Z with X on top.1. Stack B is empty.2. An Element popped out from Stack A can be printed immediately or pushed to stack B.3. An Element popped out from Stack B can only be printed.In this arrangement, which of the following permutations of X,Y,Z are not possible ?

Y X Z

Z X Y

Y Z X

Z Y X

Discussion

MCQ

Stacks cannot be used to

implement recursion

evaluate an arithmetic expression

allocate resources (like CPU) by the operating system

convert a given arithmetic expression in infix form to its equivalent postfix form

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MCQ

In conversion from prefix to postfix using stack data-structure, if operators and operands are pushed and popped exactly once, then the run-time complexity is ............

?(1)

?(n)

?(log n)

?(n^2)

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Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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