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.
The third edition of the event is going to take place in the Czech Republic in June, after being held in Milton Keynes for the past two years.，详情可参考同城约会
Мерц резко сменил риторику во время встречи в Китае09:25，更多细节参见91视频
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