“异或”门电路目前已作为基本门电路使用，但组合逻辑电路ＣＡＤ大多采用以“与非”、“或非”等为基本器件的设计技术。基于“异或”门的组合逻辑化简ＣＡＤ发展了传统的设计方法，把“异或”门作为基本逻辑门，研究出计算机自动逻辑设计的实用方法。对于某些逻辑设计，进一步简化了电路，使电路成本降低，可靠性提高，同时减少了门电路的级数，提高了电路的工作速度。 The XOR gate has been used as a basic gate at present. However, the CAD of the combinational logic circuit mostly adopts the design technique of “NAND,” “NOR,” as the basic device. Based on the OR-ORF combinatorial logic simplification CAD developed the traditional design method, the “XOR” gate as the basic logic gate, developed a practical method of computer automatic logic design. For some logic design, the circuit is further simplified, the cost of the circuit is reduced, the reliability is improved, the number of gates is reduced, and the speed of the circuit is increased.