3:28 PM Sat 2 Apr 51% Done Floyd - Digital Fundamentals 9e (1 of 24) Open in Books R SYSTEMS, OPERATIONS, AND CODES 25. Determine the decimal value of each signed binary number in the l's complement form: (a) 10011001 (b) 01110100 (c) 10111111 26. Determine the decimal value of each signed binary number in the 2's complement form: (a) 10011001 (b) 01110100 (c) 10111111 27. Express each of the following sign-magnitude binary numbers in single-precision floating- point format: (a) 0111110000101011 (b) 100110000011000 28. Determine the values of the following single-precision floating-point numbers: (a) 1 10000001 01001001110001000000000 (b) 0 11001100 10000111110100100000000 CTION 2-7 Arithmetic Operations with Signed Numbers 29. Convert each pair of decimal numbers to binary and add using the 2's complement form: (c) –46 and 25 30. Perform each addition in the 2's complement form: (a) 33 and 15 (b) 56 and –27 (d) -110 and -84 (a) 00010110 + 00110011 (b) 01110000 + 10101111 31. Perform each addition in the 2's complement form: (a) 10001100 + 00111001 (b) 11011001 + 11100111 32. Perform each subtraction in the 2's complement form: (a) 00110011 – 00010000 (b) 01100101 - 11101000 33. Multiply 01101010 by 11110001 in the 2’s complement form. 34. Divide 01000100 by 00011001 in the 2's complement form. CTION 2-8 Hexadecimal Numbers 3:28 PM Sat 2 Apr 51% Done Floyd - Digital Fundamentals 9e (1 of 24) Open in Books SECTION 2-8 Hexadecimal Numbers 35. Convert each hexadecimal number to binary: (a) 3816 (b) 5916 (c) A1416 (d) 5C816 (e) 410016 (f) FB17,6 (g) 8A9D16 36. Convert each binary number to hexadecimal: (а) 1110 (b) 10 (c) 10111 (d) 10100110 (e) 1111110000 (f) 100110000010 37. Convert each hexadecimal number to decimal: (а) 2316 (b) 9216 (c) 1A16 (d) 8D16 (e) F316 (f) EB16 (g) 5C216 (h) 70016 38. Convert each decimal number to hexadecimal: (a) 8 (b) 14 (с) 33 (d) 52 (e) 284 (f) 2890 (g) 4019 (h) 6500 39. Perform the following additions: (a) 3716 + 2916 (b) A016 + 6B16 (c) FF16 + BB16 40. Perform the following subtractions: (a) 5116 – 4016 (b) C816 – 3A16 (c) FD16 – 8816 SECTION 2-9 Octal Numbers 41. Convert each octal number to decimal: (а) 12s (b) 27g (c) 568 (d) 645 (e) 103g (f) 557g (g) 163g (h) 10248 (i) 77658 42. Convert each decimal number to octal by repeated division by 8: (а) 15 (b) 27 (c) 46 (d) 70 (е) 100 (f) 142 (g) 219 (h) 435