/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/old-cs-2-01/2022-03-04-uebungen/rechne0002.txt


Addiere und subtrahiere folgende Zahlen

          -262
            34
           341
          -472
           296
          -124
        ------
Wandle folgende Zahl in eine Fliesskommazahl um
           271

-262 -34 -341

262/2 = 131     Rest 0
131/2 = 65      Rest 1
65/2 = 32       Rest 1
32/2 = 16       Rest 0
16/2 = 8        Rest 0
8/2 = 4         Rest 0
4/2 = 2         Rest 0
2/2 = 1         Rest 0
1/2 = 0         Rest 1

1.0000.0110

34/2 = 17       Rest 0
17/2 = 8        Rest 1
8/2 = 4         Rest 0
4/2 = 2         Rest 0
2/2 = 1         Rest 0
1/2 = 0         Rest 1

10.0010

341/2 = 170     Rest 1
170/2 = 85      Rest 0
85/2 = 42       Rest 1
42/2 = 21       Rest 0
21/2 = 10       Rest 1
10/2 = 5        Rest 0
5/2 = 2         Rest 1
2/2 = 1         Rest 0
1/2 = 0         Rest 1

1.0101.0101


1.0000.0110
10.0010
1.0101.0101

erweitern:

0001.0000.0110
0000.0010.0010
0001.0101.0101

1er Komplement

1110.1111.1001
1111.1101.1101
1110.1010.1010

2er Komplement 

1110.1111.1010
1111.1101.1110
1110.1010.1011


1110.1111.1010
1111.1101.1110
--------------
1110.1101.1000
1110.1010.1011
--------------
1101.1000.0011

1024+256+128+2+1-2048 = -637

Richtig!