Problem #1 (a) Convert the following decimal values to 8-bit sign-and-magnitude and 2's complement: () 102, (ii)-135 unsigned integeri) 2's complement, iii) Sign-and-magnitude integer. and B-0 1111 1011. In each case report overflow if it occurs. (b) What decimal value does the binary word 1010 111 0111 0110 have when it represents an: i (c) Perform A+B and A-B in: (i) 2's complement, (ii) sign-and-magnitude, where A-0 1101 1010