3.
8.
.
.
: 1. :
/ . ...- .: , 1981.
2. , : /
.., .. .; . . ..-
. .: , 1991.
, . , :
0 + 0 = 0 | 0 0 = 0 |
0 + 1 = 1 | 0 1 = 0 |
1 + 0 = 1 | 1 0 = 0 |
1 + 1 = 10 | 1 1 = 1 |
, - () . , , , .
, .
, . .
: = 27 = 9.
(2) = 11011, [ ] = 0.11011,
(2) = 1001, [ ] = 0.1001,
, , ( 1 , , 1 ).
[ + ] = 0.11011
+
0.01001
1.00100
, , . , . , :
[ + ] = 0.011011 = 0.100100.
+
0.001001
0.100100
, + = 100100(2) = 36(10). .
( ). , , , . , , ( 1).
|
|
1
, . , .
1. , , .
, .
( ) . . , .
2. , , . ( ).
, , ( ), .
.
: = 11 = -13,25 .
(2) = 1011; [ ] = 0.1011,00; [ ] = 0.1011,00
(2) = -1101,01; [ ] = 1.1101,01; [ ] = 1.0010,10
[ + ] = 0.1011,00 = 1.1101,10.
+
1.0010,10
1.1101,10
[ + ] = 1.0010,01.
, + = -10,01(2) = -2,25(10). .
: = 11 = -13,25 .
(2) = 1011; [ ] = 0.1011,00; [ ] = 0.1011,00
(2) = -1101,01; [ ] = 1.1101,01; [ ] = 1.0010,11
[ + ] = 0.1011,00 = 1.1101,11.
+
1.0010,11
1.1101,11
[ + ] = 1.0010,01.
, + = -10,01(2) = -2,25(10). .
, , . , 0, , , 1. .
, . , , , .
|
|
:
1. . 2 .
2 :
0 Å 0 = 0;
0 Å 1 = 1;
1 Å 0 = 1;
1 Å 1 = 0.
2. :
) () 1, , 0 ;
) 1, , , 0 ;
) ) n 1 , n .
3. , .
: = 18 = -5,5.
(2) = 10010; [ ] = 0.10010;
(2) = - 101,1; [ ] = 1.101,1.
:
0 Å 1 = 1.
:
101,1
+
10010
+
00000
+
10010
1100011,0
:
[ ] = 1.1100011, = - 99(10).
, , , , . . , ( , ). , .
. , . :
1. ½ ½ < ½ ½. , , , .
2. , . , , ( 0), ( 1).
3. , 2 .
4. ( ). ( ).
5. (D1). (D1 > 0), 1, (D1 < 0) 0.
. , , , .
6. (D2). (D2 > 0), 1, (D2 < 0) 0.
. , , , .
, , .
|
|
7. ( ). , .
: = -7 = 1,2.
.
½ ½ > ½ ½, 10. = 12.
(2) = - 111; [ ] = 1.111;
(2) = 1100; [ ] = 0.1100; [ ] = 1.0100.
1 Å 0 = 1.
.
, [ ] = 1.0111.
1.0111
2
0.1110
+
1.0100
0.0010 D1 > 0 (1)
0.0100 2D1
+
1.0100
1.1000 D2 < 0 (0)
1.0000 2D2
+
0.1100
1.1100 D3 < 0 (0)
1.1000 2D3
+
0.1100
0.0100 D3 > 0 (1)
.. .
:[ : 10 ] = 1.1001; (: 10 ) = - 0,1001(2) = - 0,5625(10).
: : » - 5,625.