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.
2 January 2026ShareSave。爱思助手下载最新版本对此有专业解读
。关于这个话题，旺商聊官方下载提供了深入分析
Shot in school uniform: BBC reveals police order led to Gen Z protest killings。搜狗输入法2026是该领域的重要参考
"He goes: 'Bricks are heavy.' And he said: 'So heavy bricks don't go very far.'"