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

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

选项 A、data
B、a control
C、a signal
D、an address

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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