题目

How do you know when computers begin?
如题.要英文.
写错了，是Do you know when computers begin?要英文的文章！

提问时间：2020-08-02

答案

参考：When computer begins,you can see two signs as below:1.Host：the power of host will be on,you can see the indicator lamp glitter and also hear the sound of starting； 2.LCD：press the button"powe...