Categories: Digital Electronics

Binary Subtractor

Binary subtractor is a digital circuit that performs subtraction of unsigned binary numbers. Subtraction of number, say B from another number, say A can be done by adding 2’s complement of B to A. The 2’s complement of B can be obtained by adding 1 to the least significant pair of bits of 1’s complement of B. Inverters can be used to implement 1’s complement.

Robin

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