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.
本月初，美股软件板块在经历了一阵暴跌后开始反弹，但其涨幅不足以扭转华尔街的担忧——企业软件是否正面临被AI颠覆。这种担忧让投资者用脚投票，ServiceNow、Adobe、Workday等老牌软件企业，其股价已经跌落至十年以来的最低水平。。业内人士推荐Line官方版本下载作为进阶阅读
「如果做太慢就賺不夠錢，大家都不能停下來，要不斷加班。」。关于这个话题，91视频提供了深入分析
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Credit: Samsung