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6 Add 56 to -119 by using 8-bit signed magnitude, one's complement, two's complement arithmetic, respectively. (12 pts) 7 Add 56 to 119 by using 8-bit signed magnitude, one's complement, two's complement arithmetic, respectively. (12 pts) 8 Perform the following multiplications by using Booth's algorithm, assuming 8-bit two's complement integers: (12 pts) 1) 1724 2) 1724 3) 58117 4) 58x117 9 Multiply the value -24 (expressed by 8-bit signed two's complement representation) by 2. (2 pts) 10 Divide the value 24 (expressed by 8-bit signed two's complement representation) by 4 . ( 2 pts) 11 Express the following binary fractions in normalized floating-point form using the simple model with excess-15 bias: (6 pts) 1) 1.25 2) 0.75 3) 26.625