The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
2026-02-26 00:00:00:03014222210http://paper.people.com.cn/rmrb/pc/content/202602/26/content_30142222.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/26/content_30142222.html11921 习近平会见德国总理默茨
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這項說法是正確的，但仍有額外背景需要補充。
Number (11): Everything in this space must add up to 11. The answer is 5-5, placed horizontally; 6-0, placed horizontally.