Graph representation (adjacency matrix, adjacency list) MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 15, 2025

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1. What is an adjacency matrix?



2. Which representation is more space-efficient for sparse graphs?



3. In an adjacency matrix, what does a value of 1 indicate?



4. What is the time complexity of checking for the existence of an edge using an adjacency matrix?



5. What is the primary disadvantage of using an adjacency matrix for graph representation?



6. Which of the following is true about adjacency lists?



7. For a complete graph with n vertices, what is the size of the adjacency matrix?



8. How can you represent weights in an adjacency matrix?



9. What is the time complexity of traversing all vertices in an adjacency list?



10. Which representation is more suitable for dense graphs?



 

 

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