Author(s): Uttiyoarnab Saha, Ali Hamedani, Miguel A. Caro, Andrea E. Sand
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.
，更多细节参见搜狗输入法2026
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