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 -题库考试答案搜索网

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

单选题

2022-01-06 10:38

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

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正确答案

A

试题解析

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。

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