/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/old-cs-2-02/auswendig-2022-05-11/rechne002.txt


david@www2:~$ gcc rechne.c
david@www2:~$ ./a.out
Addiere und subtrahiere folgende Zahlen

            59
           346
          -188
           277
           295
          -463
        ------
Wandle folgende Zahl in eine Fliesskommazahl um
          3855
david@www2:~$ 

-59 -346 -188

59/2 = 29       Rest 1
29/2 = 14       Rest 1
14/2 = 7        Rest 0
7/2 = 3         Rest 1
3/2 = 1         Rest 1
1/2 = 0         Rest 1


346/2 = 173     Rest 0
173/2 = 86      Rest 1
86/2 = 43       Rest 0
43/2 = 21       Rest 1
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


188/2 = 94      Rest 0
94/2 = 47       Rest 0
47/2 = 23       Rest 1
23/2 = 11       Rest 1
11/2 = 5        Rest 1
5/2 = 2         Rest 1
2/2 = 1         Rest 0
1/2 = 0         Rest 1

111011
101011010
10111100

11.1011
1.0101.1010
1011.1100

erweitern:

0000.0011.1011
0001.0101.1010
0000.1011.1100

1er Komplement

1111.1100.0100
1110.1010.0101
1111.0100.0011

2er Komplement

1111.1100.0101
1110.1010.0110
1111.0100.0100

Addieren:

1111.1100.0101
1110.1010.0110
--------------
1110.0110.1011
1111.0100.0100
--------------
1101.1010.1111

-2048+1024+256+128+32+8+4+2+1

1024
 256
 128
  32
   8
   4
   2
   1
 13
----
1455

2048-1455

545
 48

593


-59 -346 -188

60
345

405
190
595-2 = 593 Richtig