What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.
The average energy bill for millions of households will fall by £10 a month in the spring, after Ofgem said the price cap would fall by 7% owing to a shake-up in green levies.
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第五十七条 证据应当在开庭时出示,当事人可以质证。。91视频是该领域的重要参考
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