The one thing that causes the most trouble with 2's complement numbers is the special case of the negative number which consists of a 1 followed by all 0's (1000 ... 000). If this number is n bits long, what number does it represent and why? (It is not negative zero.) a. Represent 187 in BCD code, excess-3 code, 6-3-1-1 code, and 2-out-of-5 code.

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