Multiple choice What will be the output of the following function? main() { printf(%x,-1<<4); } 1111111111110 -1 fff0 None of these Reveal answer Fill a bubble to check yourself C Correct answer Explanation In a 16-bit system, -1 is represented as 0xFFFF in two's complement. Shifting this value left by 4 bits results in 0xFFF0, which is printed as fff0 by the %x format specifier.