The first thing a multi-tasking operating system needs from hardware is isolation: multiple programs must share one processor without being able to read, write, or jump into each other's memory. The 80386 achieves this through memory protection -- two independent address translation layers.
Disable MathJax (What is MathJax?)，更多细节参见heLLoword翻译官方下载
，这一点在51吃瓜中也有详细论述
FT Edit: Access on iOS and web
Even Jared Kushner thinks the Paramount WB bid sucks.，详情可参考搜狗输入法下载
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用