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one's complement

One's complement of a dual number

One's complement of a dual number

The one's complement is the conversion of all ones to zeros and all zeros to ones in a dual number. If the foremost bit is a 1, then all other bits are negated, because if the first bit is a 0, the bit pattern is a magnitude number. The ones complement plays an important role in dual arithmetic, along with the two's complement, and thus enables subtraction.

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Englisch: one's complement
Updated at: 27.09.2007
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