常用進(jìn)位制計(jì)數(shù)制對(duì)應(yīng)關(guān)系
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二進(jìn)制數(shù)、八進(jìn)制數(shù)、十六進(jìn)制數(shù)及十進(jìn)制數(shù)是現(xiàn)代數(shù)字系統(tǒng)中常用的四種數(shù)制，這幾種進(jìn)位制計(jì)數(shù)制之間的對(duì)應(yīng)關(guān)系如表1所列。
表1 常用計(jì)數(shù)制數(shù)的表示方法
|
十進(jìn)制數(shù) |
二進(jìn)制數(shù) |
八進(jìn)制數(shù) |
十六進(jìn)制數(shù) |
|
0 |
0 |
0 |
0 |
|
1 |
1 |
1 |
1 |
|
2 |
10 |
2 |
2 |
|
3 |
11 |
3 |
3 |
|
4 |
100 |
4 |
4 |
|
5 |
101 |
5 |
5 |
|
6 |
110 |
6 |
6 |
|
7 |
111 |
7 |
7 |
|
8 |
1000 |
10 |
8 |
|
9 |
1001 |
11 |
9 |
|
10 |
1010 |
12 |
A |
|
11 |
1011 |
13 |
B |
|
12 |
1100 |
14 |
C |
|
13 |
1101 |
15 |
D |
|
14 |
1110 |
16 |
E |
|
15 |
1111 |
17 |
F |
|
16 |
10000 |
20 |
10 |
|
17 |
10001 |
21 |
11 |
|
18 |
10010 |
22 |
12 |
|
19 |
10011 |
23 |
13 |
|
20 |
10100 |
24 |
14 |
|
32 |
100000 |
40 |
20 |
|
50 |
110010 |
62 |
32 |
|
60 |
111100 |
74 |
3C |
|
64 |
1000000 |
100 |
40 |
|
100 |
1100100 |
144 |
64 |
|
255 |
11111111 |
377 |
FF |
|
1000 |
1111101000 |
1750 |
3E8 |
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