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

Question

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

Answer 1

正确答案：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。