PLEASE ANSWER 21(a,b,c,d,e,f) 22(a,b,c,d,e,f,g,h) 23(a,b,c,d,) 24(a,b,c,d,) 25(a,b,c,d) 26 (a,b,c) 27(a,b,c) 28(a,b,c)

21. Determine the 1's complement of each binary number: (a) 100 (d) 10111011 (b) 111 (e) 1001010 (c) 1100 (f 10101010 22. Determine the 2's complement of each binary number using either method: (a) 11 (e) 101010 (b) 110 (f) 11001 (c) 1010 (g) 11001100 (d) 1001 (h) 11000111 Problems Section 2-6 Signed Numbers 23. Express each decimal number in binary as an 8-bit sign-magnitude number 24. Express each decimal number as an 8-bit number in the 1's complement form 25. Express each decimal number as an 8-bit number in the 2's complement form 26. Determine the decimal value of each signed binary number in the sign-magnitude form: 27. Determine the decimal value of each signed binary number in the 1's complement form: 28. Determine the decimal value of each signed binary number in the 2's complement form: (a) +29 (b)-85 (c) +100 (d) 123 (a) -34 (b) +57 (c-99 (d) +115 (a) +12 (b68 (c)+10 (d) 125 (a) 1001100 b) 01110100 (a) 1001100 b) 01110100 (a) 1001100 b) 01110100