/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-01/aufgaben-2022-03-07/rechne0004.txt


Addiere und subtrahiere folgende Zahlen

          -297
           168
           252
          -253
           143
           -31
        ------
Wandle folgende Zahl in eine Fliesskommazahl um
          2324

-297 -168 -252

297/2 = 148     Rest 1
148/2 = 74      Rest 0
74/2 = 37       Rest 0
37/2 = 18       Rest 1
18/2 = 9        Rest 0
9/2 = 4         Rest 1
4/2 = 2         Rest 0
2/2 = 1         Rest 0
1/2 = 0         Rest 1

1.0010.1001

168/2 = 84      Rest 0
84/2 = 42       Rest 0
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

1010.1000

252/2 = 126     Rest 0
126/2 = 63      Rest 0
63/2 = 31       Rest 1
31/2 = 15       Rest 1
15/2 = 7        Rest 1
7/2 = 3         Rest 1
3/2 = 1         Rest 1
1/2 = 0         Rest 1

1111.1100


1.0010.1001
1010.1000
1111.1100

erweitern

0001.0010.1001
0000.1010.1000
0000.1111.1100

1er Komplement

1110.1101.0110
1111.0101.0111
1111.0000.0011

2er Komplement

1110.1101.0111
1111.0101.1000
1111.0000.0100

addieren 

1110.1101.0111
1111.0101.1000
--------------
1110.0010.1111
1111.0000.0100
--------------
1101.0011.0011

-2048+1024+256+32+16+2+1 = -717 

richtig