Code:
What is printed by the following program:
main()
{
	char x = 0x7F;
	int y;
	unsigned int z;
	y = x; z = x;
	printf("%x %x\n", y, z);
}


a)ffffff7f ffffff7f
b)7f 7f
c)ffffff7f 7f
d)None of the above
Explain how??