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Half-Adder

Half-adder is a simple combinational circuit that can add only two bits together. It is a combination of XOR gate and AND gate where XOR gate is used to perform addition and AND gate is used to get the...

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Full-Adder

Full-adder is a combinational circuit that can add three bits. The three bits include two significant bits and a previous carry. Full-adder is a combination of two half adders and an OR gate.

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Binary Adder

Binary adder is a digital circuit that adds two binary numbers and produces the sum. It can be constructed by connecting full adders in cascade where output carry of each full adder should be given as...

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Binary Subtractor

Binary substractor 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...

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