[理工] File System 相關題目(103交大、99成大)
99成大 OS 第5題
http://i.imgur.com/OOpV4e7.jpg
![](https://i.imgur.com/OOpV4e7.jpg)
Continguous Allocation分配應該是固定大小,
答案應該是read block 0~99, write block 0~100共100+101=201次?
103交大 OS 第4題
http://i.imgur.com/5TSbCQe.jpg
![](https://i.imgur.com/5TSbCQe.jpg)
每個block可以存放8k/4=2k個block pointer
5120th block在double indirect,第一層的第2個entry 之 第二層第1015 entry
也就是double indirect第3063 disk block.
存取次數 9+(2k+1)+(3063+??)
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