//9.11 clc; c=60; xc= bitcmp (c ,8); A=xc+1; d=28; xd= bitcmp (d ,8); B=xd+1; Ans=B+A; a=dec2bin(Ans) disp(a) disp('Since the MSB is 1 so the number is negative and equal to -88') Ans=B-A; a=dec2bin(Ans,8) disp(a) disp('Since the MSB is 0 so the number is positive and equal to +32')