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24. What bit patterns are represented by the following hexadecimal notations? a. BD b. 76 25. Express the following bit patterns in hexadecimal notation: 101000001010 26. Convert each of the following binary representations to its equivalent base ten representation: a. 1101 b. 0101 c. 11001 d. 1000 27. Convert each of the following excess 16 representations to its equivaleht base ten representation: a. 10101 b. 10001 c. 01011 28. Convert each of the following base ten representations to its equivalent excess four representation: a. 2 b.-3 c. 1 29. Convert each of the following twos complement representations to its equivalent base ten representation: b. 10100 c. 01100 30. Convert each of the following base ten representations to its equivalent twos complement representation in which each value is represented in 7 bits:
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