:
1. .
2. .
, ( , ).
4. , , 632, 24.1254 ‑0.0125012 :
+00632.00000000 +00024.12540000 -00000.01250120
, , .. .
, . 1, . , :
M×10R,
M (),
R
5. :
+0.632×10+3 +0.241254×10+2 -0.125012×10-1
. Q (|Q|<1), , , :
1. Q 2.
2. .
3. , . 1 Q.
4. . 1.
, . 3 0.
6. 0.3125.
0.3125 x 2 = 0.625 0
0.625 x 2 = 1.25 1
0.25 x 2 = 0.5 0
0.5 x 2 = 1.0 1
0.0 {x 2 = 0}.
, 0.3125(10) = 0.0101(2),
7. 0.428, 1 .
1) 0.428 x 2 = 0.856 0
2) 0.856 x 2 = 1.712 1
3) 0.712 x 2 = 1.424 1
4) 0.424 x 2 = 0.848 0
5) 0.848 x 2 = 1.696 1
6) 0.696 x 2 = 1.392 1
7) 0.392 x 2 = 0.784 0
8) 0.784 x 2 = 1.568 1
0.428(10) 0.01101101(2)
, ( ) 2 / 2 / ( 2), ( ), () .
8.
9.3125(10) = 9(10) + 0.3125(10) = 1001(2) + 0.0101(2) = 1001.0101(2).
, , , . { . , Q 0.428, Q=0.428?, , , .}
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anan-1a1a0 . a-1a-2a1- s a- s
an ×2 n + an-1 ×2 n -1+ + a1 ×21+ a0 ×20+ a-1 ×2-1+ a-2 ×2-2++ a1-s ×21- s + a-s ×2- s
9. , 7.
0.01101101(2) = 0×20+0×2-1+1×2-2+1×2-3+0×2-4+1×2-5+1×2-6+0×2-7+1×2-8 = 0.42578125 ( 0.428!)
11 , . , 9 A=10, B=11, C=12, D=13, E=14, F=15. (. 1).
, , 4 , , .
10. 1010101101001010111010.
4 . .. 22 , : 0010 1010 1101 0010 1011 1010. . 1, : 1010101101001010111010(2) = 2AD2BA(16)
. , h (hexadecimal )
11. 2035h = 10000000110101(2) = 8245 ( ).
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{ , .} , , . .
, , 8- . 256 , { , .} .
(Windows-1251, KOI-8 .) ASCII (American Standard Code for Information Interchange). ASCII . 00h 7Fh, 80h FFh. , . . ASCII .
12. ABBA :
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) 2 /: 01000001010000100100001001000001;
) 16 /: 41424241.
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