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MCQ

Consider Stack is implemented using the array. What will be the initial value with which top is initialized.

-1

Garbage

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Which data structure can be used suitably to solve the Tower of Hanoi problem?

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Using Pop (S1,Item) ,Push(S1, Item), Getlist(Item), Pop(S2,Item), and the variables S1,S2(stacks with Top1 and Top2) and Item and given the input file: A,B,C,D,E,F Which stack are possible?

No possible stacks with A,B,C,D,E and F

All possible stacks with A,B,C,D,E and F

Twice as many stacks as can be produced with S1 alone

Exact and only those stacks which can be produced with S1 alone

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If the sequence of operations -

push(1)
push(2)
pop
push(1)
push(2)
pop
pop
pop
push(2)
pop

are performed on a stack, the sequence of popped out values are ?

2, 2, 1, 1, 2

2, 2, 1, 2, 2

2, 1, 2, 2, 1

2, 1, 2, 2, 2

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One can convert an infix expression to a postfix expression using a ..............

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None of these

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User perform following operations on stack of size 5 then -push(1);pop();push(2);push(3);pop();push(4);pop();pop();push(5);at the end of last operation, total number of elements present in the stack are -

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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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