4、用英语描述一下计算机操作系统的工作原理
The working principle of the computer with the TV and VCD players almost, you issued some directives to it, it would mean by your performance of a function. But, you know, these directives do not directly to you to control hardware, but to first go through the front mentioned that the input devices, such as keyboards, mice, receive your instructions, and then by the central processing unit (CPU) deal with these instructions, and finally by the output device you want to output the results.
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