Intel documentation describes the 386's Protection Test Unit as a component that "implements fast testing of complex memory protection functions." It is mostly composed of a PLA (Programmable Logic Array), referred to as Test PLA by Intel, that is physically visible by its regular appearance on the die. This single piece of combinational logic replaces what would otherwise be dozens of multi-cycle conditional branches in the microcode. Instead of testing privilege rules sequentially, the microcode issues a single protection test operation, and the PLA evaluates all applicable rules in parallel, producing a complete decision in one evaluation: continue, fault, or redirect to a gate handler.
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。业内人士推荐搜狗输入法2026作为进阶阅读
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据央视财经报道，停产多年的 CCD 数码相机近期再次翻红，成为年轻消费群体追捧的「爆款」产品。多位华强北商户表示，原本售价仅数百元的机型，如今普遍涨至 2000 元以上，部分型号甚至出现数倍涨幅。
"But meanwhile, personally… 'Who's Greg? I don't even know what he likes to do.' All of your friends… during the day, you know, they're criminals… All they do is talk about the most horrific things all day long."