C Programming - MCQ Practice Questions

What does the 'const' keyword do when applied to a pointer?

Which of the following is a correct way to read a string from user input avoiding buffer overflow?

What is the difference between 'break' and 'continue' statements in C?

In C, what is the correct way to pass a variable by reference using pointers?

What will be the result of the bitwise operation: 5 & 3 in C?

Consider a function declared as 'static int func()'. What is the scope of this function?

What is the output of: printf("%d", (int)3.7);?

Which of the following best describes the 'register' storage class in modern C compilers?

What is the size of the 'int' data type in a 32-bit system according to C standard?

Which of the following is NOT a valid C identifier?

What will be the output of: int x = 5; printf("%d", x++ + ++x);

In C, what is the size of the 'char' data type?

What does the 'extern' keyword indicate in C?

What is the output of: char c = 65; printf("%c", c);

Which header file is required to use the malloc() function?

What is the result of: int x = 10; int y = x++ + x++;

In C, which of the following correctly declares a pointer to an integer?

What is the correct syntax to define a macro with arguments in C?

What will be printed by: printf("%d", sizeof(float));

Which of the following is a correct way to initialize a character array with a string?