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.
We used to use email, the phone or talk in person. Now we use platforms like iMessage, WhatsApp or Slack to coordinate a night out with friends, a kid’s birthday party, a work project or even to discuss sensitive military information — as U.S. Defense Secretary Pete Hegseth did by sharing details of airstrikes in a Signal chat.
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据《一见 Auto》消息，小鹏汽车 CEO 何小鹏昨日向全体员工发布了一封开工信，主题为「稳进破局，2026 共赴物理 AI 新十年」。，推荐阅读夫子获取更多信息
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Perimenopause at 38? I felt robbed, says Emma Barnett