Full Subtractor logic circuit performs subtraction on three-bit binary numbers. As in binary subtraction, the major digit is 1, we can generate borrow while the subtrahend 1 is superior to minuend 0 and due to this, borrow will need. Because you are not logged in, you will not be able to save or copy this circuit. Full Subtractor Circuit Diagram with Logic Gates. Implementation of Half Subtractor using NOR gates : Total 5 NOR gates are required to implement half subtractor. "If either A or B are NOT true, then Y is true". Moreover, it has In half subtraction, the process of subtraction is similar to arithmetic subtraction. In the subtraction procedure, the subtrahend will be subtracted from minuend. To apply knowledge of the fundamental gates to create truth tables. The half subtractor circuit is. Full Subtractor. The two outputs, D and Bout represent the difference â¦ Construction of Half Subtractor Circuit. Basically, this is an electronic device or in other terms, we can say it as a logic circuit. That is, $$B_{\text{out}}=1$$ when {\displaystyle X