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. , ( ). 2 0 1 ( ).
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, , (, , , , ), .
ᒺ , (0 1) (bit binary digit). : 0 1 ( , , ). : 00, 01, 10, 11. : 000, 001, 010, 011, 100, 101, 110, 111.
( ) , . , :
N=2m,
, N , , m .
. , 0 1. 8 , 28=256 .
256 , ASCII (American Standard Code for Information Interchange ). ASCII , , .
- 128 , , .
- 128 , .
ᒺ , ASCII . (Byte) , 8 .
:
ʳ | b | 1 = | 210 | 1024 |
b | 1 = | 210 | 220 | |
ó | Gb | 1 = | 210 | 230 |
b | 1 = | 210 | 240 | |
Pb | 1 = | 210 | 250 | |
Eb | 1 = | 210 | 260 | |
Zb | 1 = | 210 | 270 | |
Yb | 1 = | 210 | 280 |