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(3 points) Express the decimal numbers -5 and 5 as a 4-bit, 6-bit, and 8-bit 2's complement binary numbers. In general, what is the rule

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(3 points) Express the decimal numbers -5 and 5 as a 4-bit, 6-bit, and 8-bit 2's complement binary numbers. In general, what is the rule for representing a given value in 2's complement with a larger number of bits, while preserving its sign (called "sign extension")

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