A typical peripheral device has ______ which the processor uses to select the device's internal registers.A．dataB．a controlC．a signalD．an address

题目

A typical peripheral device has ______ which the processor uses to select the device's internal registers.

A．data

B．a control

C．a signal

D．an address

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参考答案和解析
正确答案：D
解析：译文的含义是：典型的外设都具有一个()，处理器利用它来选择设备寄存器。选项A、B、C、D的含义分别是数据、控制、信号、地址。选项D符合题意，为所选。
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