1
. : - ; ; ; ; () ; .
-
ֳ . , . . , , .
, . .
, Shift ( .. Shift ) . . , Shift .
, Shift . CapsLock. ( Shift). Caps Lock . , Caps Lock . ϳ , , () , ( ). () . , . CapsLock -: .
Ctrl ( . to control ) Alt ( . alternate ) . , . . (, Alt 039, .)
Pause. . - .
Esc ( . to escape , ) , , 䳿, , . , .
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Tab . -. , ( ) .
- , , , , , .
䳿, , .
F1, F2, , F12. ֳ . . , , . , F1, , ().
. . , , , . End, , , Home .
PgUp ( . Page Up ) , , (). .
PgDn ( . Page Down ) .
, . . . . . . ( ), ( ).
NumLock, , - . NumLock, . , , . , . , NumLock. .
Enter () . ϳ .
, . . (. Space Bar) ( ).
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BackSpace ( ) Delete ( . to delete ).
Delete , , , Windows ᒺ . BackSpace , .
, . Insert ( . to insert ). Ins. .
ScrollLock - ( . scrolling , ).
, Windows: Windows , ᒺ.
PrnScreen Windows .
1. c
ϳ - , . .
() , . , n , :
(n-1n-2n-3n-4 10)m = n-1 .mn-1 + n-2 .mn-2 + +0.m0
m ;
i - , 0 ≤ ≤m; 0 ≤ ≤ (n-1);
mi - .
m = 10, , : 0÷9.
:
76110 = 7 102 + 6 101 + 1100.
i | |||
xi | |||
mi | |||
xi mi |
2, 8, 16.
, , : m=2; 1 0.
, , .
. :
2=1, 21= 2, 22 = 4, 23=8, 24=16, 25=32, 26=64, 27=128, 28=256, 210=1024, 216=65536.
, ᒺ . , , , ᒺ .
:
) 2, 2 , . , . :
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22710= 111000112;
) 2,
. . , 0,75:
0,752
1,502
1,00
0,75=0,112.
ʳ . , : 0,6310=0,10100001010001111012 :
0,632 | 1,262 | 0,522 |
1,042 | 0,082 | 0,162 |
0,322 | 0,642 | 1,282 |
0,562 | 1,122 | 0,242 |
0,482 | 0,962 | 1,922 |
1,842 | 1,682 | 1,362 |
0,722 | 1,442 | 0,882 |