Test your foundational C programming knowledge with this concise 31-question MCQ Online C Language Quiz. Perfect for students and developers to practice key concepts on functions, variables, loops, and file handling in C. Let us start with the Online C Language Quiz now. Online C Language Quiz with Answers An array subscript should be On successfully closing a file, the fclose() returns Which of the following modes opens only an existing file for both reading and writing A file is stored in A function can return ------------- value. Memory allocated to a local variable at the time of its…