For roughly the first decade of the "cash machine," they were offline devices
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9月11日，中国大陆男艺人于朦胧在北京市朝阳区的一栋住宅大楼坠落身亡，终年37岁，于朦胧工作室同日傍晚证实死讯。事件引发广泛关注，网上出现各种难以查核的传言。
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.