Under control of the CPU, a data source device and data destination device are "enabled" onto (equivalent to being connected to) the bus wires for a short transmission.

CPU的控制下，数据源器件和数据目的地器件被“使能”(等价于将其连接)至总线用于短暂的传输。

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A bus is a collection of wires through which data is transmitted from one part of a computer to another.

总线是将数据从计算机的一个部件传送到另一个部件的电线集合。

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A bus provides a common interconnected system composed of a group of wires or circuitry that coordinates and moves information between the internal parts of a computer.

总线提供了一种常见的互连系统，它由一组导线或电路组成，在计算机的内部组成部分之间协调和移动信息。

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