/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-01/2022-02-19-aufgaben/operation003.txt


Addiere und subtrahiere folgende Zahlen

          -162
           447
           -73
          -479
          -382
           314
        ------
Wandle folgende Zahl in eine Fliesskommazahl um
          1750

          
-162 -447 -73

162/2 = 81      Rest 0
81/2 = 40       Rest 1
40/2 = 20       Rest 0
20/2 = 10       Rest 0
10/2 = 5        Rest 0
5/2 = 2         Rest 1
2/2 = 1         Rest 0
1/2 = 0         Rest 1

162d ^= 10100010b

447/2 = 223     Rest 1
223/2 = 111     Rest 1
111/2 = 55      Rest 1
55/2 = 22       Rest 1
22/2 = 11       Rest 0
11/2 = 5        Rest 1
5/2 = 2         Rest 1
2/2 = 1         Rest 0
1/2 = 0         Rest 1

447d ^= 101101111b

73/2 = 36       Rest 1
36/2 = 18       Rest 0
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

73d ^= 1001001b


162d ^= 10100010b
447d ^= 101101111b
73d ^= 1001001b

Erweitern

0000.1010.0010
0001.0110.1111
0000.0100.1001

1er Komplement

1111.0101.1101
1110.1001.0000
1111.1011.0110

2er Komplement

1111.0101.1110
1110.1001.0001
1111.1011.0111

Addieren:

1111.0101.1110
1110.1001.0001
--------------
1001.1110.1111
1111.1011.0111
--------------
1001.1010.0110

2^1+2^2+2^5+2^7+2^8-2^11

2+4+32+128+256-2048
6+160+256-2048
262+160-2048
422-2048

2048
0422
----
1626

-1626