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.
More from Apple Newsroom。关于这个话题，夫子提供了深入分析
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Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10169-4