Question

Find the decimal equivalent of the binary numbers, 11011011 and 01001101, assuming that the numbers are expressed in:
a.1’s complement
b.2’s complement

Answer 1

decimal of 11011011 is:-
1*2 to d power 8+1*2 to d pwr 7+1*2 to d pwr 5+1*2 to d pwr 4+1*2^+1*2 to d pwr 1
256+128+32+16+4+2=438 &
1's cmplmnt is 00100100 &
2's cmplmnt is 00100101


decimal of 01001101 is:-
1*2 to d pwr 7+1*2 to d pwr 4+1*2 to d pwr 3+1*2 to d pwr 1
128+16+8+2=154 &
1's cmplmnt is 10110010 &
2's cmplmnt is 10110011