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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。关于这个话题，WPS官方版本下载提供了深入分析
Медведев вышел в финал турнира в Дубае17:59，这一点在同城约会中也有详细论述
新春伊始，记者走进天津市、重庆市和广东省广州市，循着入境游客的旅程，看消费选择、听真实感受，见证中国开放的大门越开越大。
Score: 8ProsConsGreat use of dials and buttons