总线是指一组进行互连和传输信息的信号线，这组信号线一般都包括地址线、数据线、控制线、电源线等几种信号线。微型机系统所使用的芯片内部、电路插件板元器件之间、系统各插件板之间、系统与系统之间的连线，都由各自的总线把各部分组织起来，从而组成一个能彼此传输信息和对信息进行加工处理的整体 -bus is a group of interconnection and transmission of information to the signal line, this group of signal

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