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.
set pixel as candidate
,推荐阅读WPS下载最新地址获取更多信息
# OPENAI_API_KEY = "sk-..."。业内人士推荐safew官方版本下载作为进阶阅读
Professionalizing parenting
Москвичей предупредили о резком похолодании09:45