The x86 protection model is notoriously complex, with four privilege rings, segmentation, paging, call gates, task switches, and virtual 8086 mode. What's interesting from a hardware perspective is how the 386 manages this complexity on a 275,000-transistor budget. The 386 employs a variety of techniques to implement protection: a dedicated PLA for protection checking, a hardware state machine for page table walks, segment and paging caches, and microcode for everything else.
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和外婆、父母的沟通里，我逐渐发现AI正在造成新一轮的技术鸿沟，拿我的外婆和父亲为例，他们之所以是中老年群体中的AI先行者，原因很简单：，这一点在爱思助手下载最新版本中也有详细论述
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