How do you know when computers begin?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/05 22:32:12

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！

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"power" in the LCD,you can see the computer self-check it's configuration,and then enter windows...

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