‘암살자’ B-2 이어 ‘죽음의 백조’ B-1B 떴다…美 “이란 미사일시설 초토화”
strict.writer.write(chunk3); // ok (queued in pending)
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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.