100+ C Programming Output Questions with Explanation

11. What will be the output of following code :

// Assume all header files are included
int main()
{
	int a = NULL - true;
	printf("%d",a);
	return 0;
}

A. -1
B. Garbage Value
C. 0
D. ERROR

View Answer & Explanation

Ans. a

12. What will be the output of following code :

// Assume all header files are included
main()
{
extern int iExtern;
iExtern = 20;
printf(%d,iExtern);
}

A. 2
B. 20
C. Error
D. Warning

View Answer & Explanation

Ans. c

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