posted 16 years ago
168 is represented as 10101000 in binary.The most significant bit is the sign bit which means that 10101000 is actually a negative number and not 168.To get the negative number, first take the one's complement of 10101000,
ie 01010111. now add 1 to this which gives 01011000 which is 88.
So the number represented by 10101000 is actually -88.