Introduction to Data Structures MCQ question and answer with solution

Section 1 Section 2 Section 3

1.
What is a data structure?

A. A collection of data values

B. A programming language

C. A set of algorithms

D. A way of organizing and storing data

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2.
Which of the following is a linear data structure?

A. Graph

B. Tree

C. Array

D. Hash Table

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3.
Which data structure uses LIFO order?

A. Queue

B. Stack

C. Array

D. Linked List

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4.
Which data structure uses FIFO order?

A. Stack

B. Graph

C. Queue

D. Tree

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5.
Which of the following is not a data structure?

A. Linked List

B. Array

C. Binary Tree

D. None of the above

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6.
Which data structure is used to implement recursion?

A. Array

B. Stack

C. Queue

D. Linked List

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7.
Which of the following data structures allows random access?

A. Linked List

B. Array

C. Stack

D. Queue

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8.
What is the time complexity of accessing an element in an array?

A. O(n)

B. O(1)

C. O(log n)

D. O(n log n)

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9.
Which data structure is used for breadth-first search (BFS)?

A. Stack

B. Queue

C. Array

D. Linked List

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10.
Which data structure is used for depth-first search (DFS)?

A. Stack

B. Queue

C. Array

D. Tree

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Introduction to Data Structures MCQ question and answer with solution

1. What is a data structure?

Answer & Solution

2. Which of the following is a linear data structure?

Answer & Solution

3. Which data structure uses LIFO order?

Answer & Solution

4. Which data structure uses FIFO order?

Answer & Solution

5. Which of the following is not a data structure?

Answer & Solution

6. Which data structure is used to implement recursion?

Answer & Solution

7. Which of the following data structures allows random access?

Answer & Solution

8. What is the time complexity of accessing an element in an array?

Answer & Solution

9. Which data structure is used for breadth-first search (BFS)?

Answer & Solution

10. Which data structure is used for depth-first search (DFS)?

Answer & Solution

Read More Section(Introduction to Data Structures)

1.
What is a data structure?

2.
Which of the following is a linear data structure?

3.
Which data structure uses LIFO order?

4.
Which data structure uses FIFO order?

5.
Which of the following is not a data structure?

6.
Which data structure is used to implement recursion?

7.
Which of the following data structures allows random access?

8.
What is the time complexity of accessing an element in an array?

9.
Which data structure is used for breadth-first search (BFS)?

10.
Which data structure is used for depth-first search (DFS)?