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## 頁式存儲
![](https://gitee.com/cowboy2014/cloud2020-config/raw/master/%20pictures/20210808114208.png)
1. 先把用戶程序分頁；
2. 通過頁表維護與內存地址的映射；
> 物理塊號，又叫做頁幀號。
### 頁表
1. 狀態位：數據是否放入內存；
2. 訪問位：值為1的頁號不能被淘汰；

## 段式存儲
![](https://gitee.com/cowboy2014/cloud2020-config/raw/master/%20pictures/20210808114259.png)
## 段頁式存儲
![](https://gitee.com/cowboy2014/cloud2020-config/raw/master/%20pictures/20210808113956.png)
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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