Any computer, be it a large PC or a small embedded computer, is useless if it has no means to intera

Any computer, be it a large PC or a small embedded computer, is useless if it has no means to interact with the outside world. I/O communications for an embedded computer frequently happen over a bus called the (   ).(2013年嵌入式系统设计师下半年)
A.I/O bus   

B.Memory Bus   

C.Device bus   

D.Internal Bus




参考答案: A
参考解析:

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