(a) What decimal numbers each of the following 2s-complement bi- nary numbers represent? i. (001101); ii. (110101) 111. (110010); iv. (111111) (b) What advantage does 2s complement have over signed integers? (c) What are the steps one needs to follow in order to convert a dec- imal number to 2s complement representation? (d) Convert the following decimal integers to binary using 6-bit 2s complement representation. i. (130) 10 11. (-399) 10 111. (-499) 10 iv. (-9999) 10