-
(), ( ), ( ), . - .
- 0 9 8-4-2-1, .. - :
0 = 0000; 1 = 0001; 2 = 0010; 3 = 0011; 4 = 0100;
5 = 0101; 6 = 0110; 7 = 0111; 8 = 1000; 9 = 1001.
, - . -, .
.
:
.
- :
7 = 0111 3 = 0011
3 = 0011 7 = 0111
4 = 0100 5 = 0101
:
(102)(10) = 1100100(2) (10-1)(10) = 0,0001100110(2)
(101)(10) = 1010(2) (10-2)(10) = 0,0000010100(2)
(100)(10) = 1(2) (10-3)(10) = 0,0000000001(2)
.
:
(0111) ∙ (1100100) + (0011) ∙ (1010) + (0100) ∙ (1) = 1011011110(2),
.. 734(10) = 1011011110(2).
:
(0011) ∙ (0,0001100110) + (0111) ∙ (0,0000010100) +
+ (0101) ∙ (0,0000000001) = 0,0101111001(2),
.. 0,375(10) = 0,0101111001(2).
, ( ) . , . .
- . - , (), - .
|
|
- - , :
1) -;
2) - , 4, .
1011011110 - . , , - .
d2 | d1 | d0 | x9 x8 x7 x6 x5 x4 x3 x2 x1 x0 | |
0 0 0 0 | 0 0 0 0 | 0 0 0 0 | 1 0 1 1 0 1 1 1 1 0 | |
I 1 | 0 0 0 1 | 0 1 1 0 1 1 1 1 0 | ||
II 1 | 1 0 | 1 1 0 1 1 1 1 0 | ||
III 1 | 1 0 1 1 1 1 0 0 0 | 1 0 1 1 1 1 0 1 0 1 1 1 1 0 | ||
IV 1 | 0 0 0 1 | 0 1 1 1 1 0 | ||
V 1 | 1 0 | 0 0 1 0 | 1 1 1 1 0 | |
VI 1 | 1 0 0 1 0 0 | 0 1 0 1 1 1 1 0 0 0 | 1 1 1 0 1 1 1 0 | |
VII 1 | 1 0 0 1 1 1 1 1 0 0 | 0 0 0 1 0 0 0 1 | 1 1 0 1 1 0 | |
VIII 1 | 1 0 0 0 1 1 1 0 1 1 | 0 0 1 1 0 0 1 1 | 1 0 1 0 | |
IX 1 | 1 1 1 1 | 0 1 1 0 1 1 1 0 0 1 | 0 1 1 1 1 1 1 0 1 0 | |
X 1 | 1 1 1 | 0 0 1 1 | 0 1 0 0 | |
0,0101111001 , - , .
, .
, , , , .. .
, , .
, -, , - - .
.
.
10110110(2) , .. .
1 1 2 = 2
0 (2+0) 2 = 4
1 (4+1) 2 = 10
1 (10+1) 2 =22
0 (22+0) 2 = 44
1 (44+1) 2 = 90
1 (90+1) 2 = 182
0 (182+0) = 182
: 10110110(2)=182(10).
.
0,1011(2) .
|
|
1 1: 2 = 0,5
1 (0,5+1): 2 =0,75
0 (0,75+0): 2 = 0,375
1 (0,375+1): 2=0,685
: 0,1011(2)=0,685(10).