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需要对数据做算术运算的系统一般都是采用二进制形式。而要显示这些结果,就必须将数据转换为BCD格式。另一方面,来自数码开关的地址选择信息则必
Systems that require arithmetic operations on data are generally in binary form. To display these results, you must convert the data to BCD format. On the other hand, the address selection information from the digital switch is necessary