C Fundamentals MCQs
Practice free C Fundamentals multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 303 questions — no login required.
Question 37easy
Which one of the following is not a reserved keyword for C?
Question 38easy
A C variable cannot start with
Question 39easy
Which one of the following is not a valid identifier?
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Question 40easy
What will be printed after execution of the following program code?
main()
{
printf("\\nab");
printf("\\bsi");
printf("\\rha");
}Question 41easy
If integer needs two bytes of storage, then maximum value of an unsigned integer is
Question 42easy
What is the correct value to return to the operating system upon the successful completion of a program?
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Question 43easy
Which is the only function all C programs must contain?
Question 44easy
Which of the following is not a correct variable type?
Question 45easy
What number would be shown on the screen after the following statements of C are executed?
char ch;
int i;
ch = 'G';
i = ch-'A';
printf("%d", i);