1. ֳ
ʳ | ij | |
-32768 + 32767 | ||
-2·109 +2·109 | ||
-9 ·1018 + 9 ·1018 |
2. ij , .
- N N = A m p, , m , ( ) . , . ( ) 32 :
15 |
8 - 23 -
1 -
1, , . .
-127 +128. , , 127:
P = P + 127.
. :
1) - 0,062510 = - 0,00012 = -1,0*2-4 : 101111011 00000000000000000000000.
= 1, , 䒺.
= - 4 +127 = 12310 = 011110112, .
2) 2510= 110012 = 1,1001 * 24 : 010000011 10010000000000000000000.
= 0, .
= 4+127 = 13110= 100000112, 1001.
80 , 55 .
, , .
, , . , ᒺ. (, , ) . . (, , ), , .
, 1 0, .
̳ ᒺ , , 1 0, ( binary digit ).
|
|
, . , , .
:
1 = 1024 (210 )
1 = 1024 (220 )
1 = 1024 (230 )
1 = 1024 (240 )
1 = 1024 (250 )
1 = 1024 (260 )
1 = 1024 (270 ).