400+ C Programming Interview Questions Practice Test [2026]

Based on the text provided, it seems like you’re outlining a curriculum for learning C programming, complete with practice test questions. Your outline covers a wide range of topics from basic syntax to more advanced concepts such as pointers, memory management, and file handling. It also emphasizes the importance of keeping up-to-date with the latest developments in C programming.

The sample practice test questions you’ve included are well-explained and cover fundamental aspects of the C language. They are designed to test a learner’s understanding of arrays, the sizeof() operator, function declarations, and the significance of returning 0 from the main function.

To enhance the learning experience, you might consider the following additions or modifications:

1. Interactive Code Examples: Include interactive code examples that learners can run and experiment with to see the results firsthand. This can help solidify their understanding of concepts.
2. Debugging Exercises: Provide coding scenarios where learners have to identify and fix bugs, which will improve their problem-solving skills.
3. Code Optimization Challenges: Offer exercises that challenge learners to optimize code for performance or readability, encouraging them to think critically about the most efficient way to perform a task.
4. Advanced Topics: Expand on advanced topics such as concurrency, network programming, or security within C to show how certain concepts scale in more complex languages.
5. Projects: Suggest or provide complete project examples that cover various applications of the C language.
6. Real-world Application Scenarios: Present real-world application scenarios where learners can apply their knowledge of C programming to solve problems.
7. Version Control: Teach the use of version control systems like Git, as understanding code and collaboration are essential skills for modern software development practices.
8. Security Practices: Include information on security best practices when programming in C, especially considering memory safety.
9. Cross-platform Development: Explain how C programming can be adapted to work across different platforms.
10. Resource Lists: Provide lists of additional resources for further study, such as online tutorials, books, and community forums.
    By incorporating these elements into your curriculum, you will provide learners with a more comprehensive and practical learning experience that covers both the theoretical knowledge and the practical hands-on skills essential to becoming proficient C programmers.