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21. (5 points) Assume 9-bit floats, where bit 8 (the most significant bit) s the sign bit, bits 4-7 are expo- nents, and the rest (bits 0-3) are the significand. Determine the following values when converting dec- imal value 256 to 9-bit float: Rounded Exp Adjusted Result 23. (10 points) Consider a 5-bit two's complement representation. Fill in the empty boxes in the following table. Addition and subtraction should be performed based on the rules for 5-bit, two's complement arithmetid Decimal Representation Binary Representation Number Zero n/a n/a n/a n/a n/a TMax TMin -2 -14 01100 10100 21. (5 points) Assume 9-bit floats, where bit 8 (the most significant bit) s the sign bit, bits 4-7 are expo- nents, and the rest (bits 0-3) are the significand. Determine the following values when converting dec- imal value 256 to 9-bit float: Rounded Exp Adjusted Result 23. (10 points) Consider a 5-bit two's complement representation. Fill in the empty boxes in the following table. Addition and subtraction should be performed based on the rules for 5-bit, two's complement arithmetid Decimal Representation Binary Representation Number Zero n/a n/a n/a n/a n/a TMax TMin -2 -14 01100 10100