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Any computer, be it a large PC or a small embedded computer, is useless if it has no means to interact with the outside worl

A、I/O communications for an embedded computer frequently happen over a bus called the (71)．

B、I/O bus

C、Memory Bus

D、Device bus

E、Intemal Bus

时间：2022-01-06 10:38 关键词：

答案解析

A
无论是PC系统还是嵌入式计算机系统，如果不和外部交互则会失去该计算机的意义。对于嵌入式计算机而言，I/O通信时和夕l部交互的总线称为I/O总线。