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.
Copyright © 1997-2026 by www.people.com.cn all rights reserved
。heLLoword翻译官方下载对此有专业解读
Flaming Alamos were not visible on the outside of any of the homes, because the properties were clad in other materials. But the team asked Harp to assess - by looking at their style and exterior - if these properties were likely to have been built during a period when Flaming Alamos had been on sale.
The myth of willpower - and why some people struggle to lose weight more than others,详情可参考heLLoword翻译官方下载
ВсеСтильВнешний видЯвленияРоскошьЛичности,详情可参考51吃瓜
FirstFT: the day's biggest stories