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Welcome to the Stacks and Queues MCQs Page

Dive deep into the fascinating world of Stacks and Queues with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Stacks and Queues, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Stacks and Queues, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Stacks and Queues. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Stacks and Queues. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Stacks and Queues MCQs | Page 9 of 25

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Q81.
The prefix of (A+B)*(C-D)/E*F is:
Discuss
Answer: (c).*/*+AB-CDEF
Q82.
Stack in Data Structure is ___________.
Discuss
Answer: (c).LIFO
Q83.
In the stack process of inserting an element in the stack is called as ___________.
Discuss
Answer: (d).Push
Q84.
Process of Removing element from the stack is called as __________.
Discuss
Answer: (b).Pop
Q85.
In the stack, If user try to remove element from the empty stack then it called as ___________.
Discuss
Answer: (b).Underflow of Stack
Q86.
User push 1 element in the stack having already five elements and having stack size as 5 then stack becomes ___________.
Discuss
Answer: (a).Overflow
Q87.
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 -

a.

3

b.

4

c.

2

d.

1

Discuss
Answer: (d).1
Q88.
Consider Stack is implemented using the array. What will be the initial value with which top is initialized.
#define MAX 10
struct STACK
{
int arr[MAX]
int top = ___________;
}
Discuss
Answer: (b).-1
Q89.
Consider Stack is implemented using the array. In this implementation of stack maximum value of top which cannot cause overflow will _________.
#define MAX 10
struct STACK
{
int arr[MAX]
int top = -1;
}
Discuss
Answer: (b).9
Q90.
User perform following operations on stack of size 5 then -

push(1);
pop();
push(2);
push(3);
pop();
push(2);
pop();
pop();
push(4);
pop();
pop();
push(5);

Which of the following is correct statement for stack ?
Discuss
Answer: (b).Underflow Occures

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