C Fundamental Test

I can help you with a C fundamental test. Here are some questions to test your knowledge of basic C programming concepts:

1. What is the purpose of the #include <stdio.h> directive in a C program?
2. What is a variable in C, and how do you declare one?
3. How do you print text to the standard output in C?
4. What is a comment in C, and how do you write single-line and multi-line comments?
5. Explain the difference between int, float, and char data types in C.
6. What is the purpose of the if-else statement, and how is it used?
7. How do you declare and initialize an array in C?
8. Explain the purpose of the for loop, and provide an example of its usage.
9. What is the difference between break and continue statements in C?
10. What is the role of the switch statement, and when might you use it?
11. Define a function in C and explain its components (e.g., return type, function name, parameters).
12. How do you call a function in C, and what happens when a function is called?
13. What is the purpose of the return statement in a function?
14. Explain the concept of scope in C, and differentiate between local and global variables.
15. What is a pointer in C, and how do you declare and initialize one?
16. What is the difference between pass-by-value and pass-by-reference in function parameters?
17. Describe the purpose of the malloc and free functions in C.
18. What is the significance of the static keyword in C?
19. How do you create a multi-dimensional array in C, and how do you access its elements?
20. What is the role of the preprocessor in C, and how is it different from regular code execution?

Feel free to answer these questions to the best of your knowledge, and I’ll provide feedback and explanations as needed.