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.
這項最新措施令包括英國和澳洲在內的一些國家感到擔憂，這些國家先前已與美國達成10%的關稅協議。，这一点在同城约会中也有详细论述
。同城约会是该领域的重要参考
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具体到邮储银行身上，内控“防线”急需加固。，这一点在雷电模拟器官方版本下载中也有详细论述