Re: [請問] 硬碟容量算法疑問?
來個二進位與十進位對照表好了....
次方 二進位 | 次方 十進位
0 1 -- Byte | 0 1
1 2 |
2 4 |
3 8 |
4 16 | 1 10
5 32 |
6 64 |
7 128 | 2 100
8 256 |
9 512 |
10 1024 -- Kilo | 3 1000 差距1000/1024=0.977
11 2048 |
12 4096 |
13 8192 |
14 16384 | 4 10000
15 32768 |
16 65536 |
17 131072 | 5 100000
18 262144 |
19 524288 |
20 1048576 -- Mega | 6 1000000 差距1000000/1048576=0.954
21 2097152 |
22 4194304 |
23 8388608 |
24 16777216 | 7 10000000
25 33554432 |
26 67108864 |
27 134217728 | 8 100000000
28 268435456 |
29 536870912 |
30 1073741824 -- Giga | 9 1000000000 差距1000000000/1073741824
| =0.931
31 2147483648 |
32 4294967296 |
33 8589934592 |
34 17179869184 | 10 10000000000
35 34359738368 |
36 68719476736 |
37 137438953472 | 11 100000000000
38 274877906944 |
39 549755813888 |
40 1099511627776 -- Tera | 12 1000000000000 差距
| 1000000000000/1099511627776
| =0.909
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※ 編輯: hicker 來自: 218.169.72.141 (04/14 15:17)
※ 編輯: hicker 來自: 218.169.72.141 (04/14 15:18)