Logic Diagram Of Half Subtractor. It contains 2 inputs and 2 outputs difference and borrow. Identify the input and output variables.
In the block diagram we have seen that it contains two inputs and two outputs. The above circuit could be created using ex or nand gates. The half subtractor is designed with the help of the following logic gates.
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Construction of half subtractor circuit. Subtractors are classified into two types. Half subtractor is used to subtract one binary digit from another to. The full subtractor is used to subtract three 1 bit numbers a b and c which are minuend subtrahend and borrow respectively.