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.
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
，这一点在雷电模拟器官方版本下载中也有详细论述
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她說：「我爸爸的案件顯示，香港的政治自由正跌至新低。香港政府向北京學習，決心打壓任何形式的自由，或任何香港人敢於發起的行動。」