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Question 13: Describe the role of the fclose() function in C file handling. What are the implications of not properly closing files after use?

Question 15: Explain the difference in execution flow between ‘while’ and ‘do-while’ loops in C. When might it be more appropriate to use one over the other?

Question 17: What happens when a ‘break’ statement is encountered inside a loop in C? How does its behavior differ from a ‘continue’ statement?

Question 5: Explain the distinctions between the ‘++a’ (pre-increment) and ‘a++’ (post-increment) operators in C.

Question 12: What is the purpose of the fopen() function in C file handling? What are the key arguments it takes, and what does it return upon success and failure?

Question 3: Explain the purpose and usage of single-line and multi-line comments in C code.

Question 20: Explain the purpose and significance of function prototypes (declarations) in C. What role do they play in ensuring type safety and proper function invocation?

Question 8: Describe the purpose and behavior of the ‘break’ statement within a ‘switch’ statement in C. What happens if a ‘break’ statement is omitted from a ‘case’ block?

Question 9: What is the role of the ‘default’ case in a ‘switch’ statement, and is its placement within the ‘switch’ structure mandatory?

Question 14: What is the ASCII code, and how is it relevant to character representation and manipulation in C programming?