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.
讯飞会议耳机累计出货超80万台，商业内核同样在此，硬件是钩子，软件服务才是持续滚动的飞轮。，这一点在im钱包官方下载中也有详细论述
春节假期全国铁路发送旅客 1.21 亿人次，创历史新高，推荐阅读Line官方版本下载获取更多信息
20 monthly gift articles to share