Stack and Queue MCQ Questions and Answers for Practice

Practice Stack and Queue MCQs to enhance your understanding of these essential data structures. Ideal for students and exam aspirants, these questions cover key concepts and practical applications.

About Stack and Queue MCQ Questions

Stack and Queue MCQ questions delve into the fundamental concepts of these linear data structures. You will explore topics such as stack operations (push, pop), queue operations (enqueue, dequeue), and their real-world applications in computer science and programming.

Why Practice Stack and Queue Objective Questions?

Practicing Stack and Queue MCQs offers numerous benefits. It helps you prepare for school and college exams, competitive exams, and technical interviews. Regular practice reinforces your understanding of these data structures, improves problem-solving skills, and boosts your confidence in handling related questions.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews

Stack and Queue MCQ Questions for Practice

1. A queue data-structure can be used for

expression parsing
recursion
resource allocation
all of the above

2. What data structure is used for breadth first traversal of a graph?

queue
stack
list
none of the above

3. What will be the initial value with which top is initialized.

-1
Garbage
1

4. At the end of last operation, total number of elements present in the stack are

5. Minimum number of queues required for priority queue implementation?

6. Popping is an act of

Adding values
Taking off values from stack
Transferring values from stack
None of them

7. In linked representation of stack the null pointer of the last node in the list signals ……….

Beginning of the stack
Bottom of the stack
Middle of the stack
In between some value

8. Stack is used for

CPU Resource Allocation
Breadth First Traversal
Recursion
None of the above

9. 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

10. Stack in Data Structure is

FIFO
LIFO
LILO
None of these

11. A queue is a ?

FIFO (First In First Out) list
LIFO (Last In First Out) list.
Ordered array
Linear tree

12. Which of the following is an application of stack?

finding factorial
tower of Hanoi
infix to postfix
all of the above

13. Which is the pointer associated with the stack?

FIRST
FRONT
TOP
REAR

14. New nodes are added to the ……… of the queue.

Front
Back
Middle
Both A and B

15. Deletion operation is done using ……… in a queue.

front
rear
top
list