作者mingcloud (逆宇)
看板Grad-ProbAsk
標題[理工] [計組] Words and Bytes 轉換
時間Tue Dec 4 23:14:04 2012
What is x if the maximom number of memory words you can use in a
32-bit MIPS machine in a single program is expressed by 2^x?
(Note : MIPS use a byte addressing scheme)
Ans : x = 28
疑問 :
2^32 = 4GBytes = 1G Words = 2^30 ?
一個word = 4 byte ? 我哪邊有想錯嗎????
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→ mingcloud:附帶一下出處 :張帆題庫班 T1 P31 第九題 12/04 23:18
推 BaaaSwin:這題答案有錯,應該是26(32-4-2) 12/04 23:19
→ BaaaSwin:張凡有更正 12/04 23:19
→ mingcloud:再減二 是因為jump能跳的範圍是256M的關係嗎? 12/04 23:22
→ BaaaSwin:YES,切成16塊->減4,byte轉word->減2 12/04 23:23
→ mingcloud:感謝 上課睡著果然沒好下場Q_Q 12/04 23:24
→ BaaaSwin:我坐第一排也常常睡= = 12/04 23:24