Re: Aufgaben und Übungen,

 0 0 0 0 0    1
 1 0 0 0 1    0
 2 0 0 1 0    1
 3 0 0 1 1    0
 4 0 1 0 0    0
 5 0 1 0 1    0
 6 0 1 1 0    0
 7 0 1 1 1    0
 8 1 0 0 0    0
 9 1 0 0 1    1
10 1 0 1 0    0
11 1 0 1 1    1
12 1 1 0 0    0
13 1 1 0 1    1
14 1 1 1 0    1
15 1 1 1 1    1


 0 0 0 0 0    1
 2 0 0 1 0    1
 9 1 0 0 1    1
11 1 0 1 1    1
13 1 1 0 1    1
14 1 1 1 0    1
15 1 1 1 1    1

Gruppe 0:
 0 0 0 0 0    1
Gruppe 1:
 2 0 0 1 0    1
Gruppe 2:
 9 1 0 0 1    1
Gruppe 3:
11 1 0 1 1    1
13 1 1 0 1    1
14 1 1 1 0    1
Gruppe 4:
15 1 1 1 1    1

0:2     0 0 - 0
9:11    1 0 - 1
9:13    1 - 0 1
11:15   1 - 1 1
13:15   1 1 - 1
14:15   1 1 1 -


0:2     0 0 - 0
9:11    1 0 - 1
13:15   1 1 - 1
9:13    1 - 0 1
11:15   1 - 1 1
14:15   1 1 1 -


Gruppe 0:
0:2     0 0 - 0
Gruppe 2:
9:11    1 0 - 1
Gruppe 3:
13:15   1 1 - 1

0:2             0 0 - 0
9:11:13:15      1 - - 1

Gruppe 2:
9:13    1 - 0 1
Gruppe 3:
11:15   1 - 1 1

9:13:11:15      1 - - 1

14:15   1 1 1 -


0:2             0 0 - 0
9:11:13:15      1 - - 1
9:13:11:15      1 - - 1
14:15           1 1 1 -


0:2             0 0 - 0
9:11:13:15      1 - - 1
14:15           1 1 1 -

                0   2   9   11  13  14  15
0:2             *   *
9:11:13:15              *   *   *       *
14:15                               *   *

y <= (not x3 and not x2 and not x0) or
        (x3 and not x0) or
        (x3 and x2 and x1)

entity meinschaltnetz is
port
(
    x3, x2, x1, x0: in bit;
    y: out bit
);
end;

architecture verhalten of meinschaltnetz
begin
    y <= (not x3 and not x2 and not x0) or
        (x3 and not x0) or
        (x3 and x2 and x1)
end;