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.
Read the full story at The Verge.
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Radio 5 Live,·18 Feb 2026,·49 mins
The report pointed out how birth rates in the U.S. have been below the minimum replacement rate since 2008, meaning that the bulk of population growth since then has been the result of immigration. This has proved especially true for the country’s labor force. Nearly 80% of immigrants are of working age, according to the Census, and they account for 19% of the workforce, around 33 million people.。业内人士推荐91视频作为进阶阅读
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
Ginger supports over 40 languages，这一点在搜狗输入法2026中也有详细论述