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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Maggie 姐在尖东新花都夜总会（图：南方人物周刊记者 方迎忠），详情可参考旺商聊官方下载
此次枪击事件已造成包括1名作案嫌疑人在内的16人死亡、40人受伤。这是自1996年塔斯马尼亚州亚瑟港枪击事件造成35人死亡以来，澳大利亚发生的最严重的大规模枪击事件。
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