Úkoly
Úkol
Vytvořte Karnaughovy mapy pro následující logické funkce:
- y = (x1·x2·x3) + (x1·x2·x3) + (x1·x2·x3) + (x1·x2·x3)
- y = (x1·x2·x3) + (x1·x2·x3) + (x1· x2· x3) + (x1·x2· x3) + (x1·x2·x3) + ( x1·x2· x3)
Řešení
A)
| |
|
|
x2 | |||
| |
|
|
x1 | |||
| i | i | i | i | |||
| i | 1 |
0 |
0 | 1 |
||
| i | i | 0 | 1 | 1 |
0 |
|
| x3 | ||||||
B)
| |
|
|
x2 | |||
| |
|
|
x1 | |||
| i | i | i | i | |||
| i | 0 | 1 | 1 |
1 |
||
| i | i | 1 |
1 | 1 |
0 |
|
| x3 | ||||||
Úkol
Vytvořte Karnaughovy mapy pro následující logické funkce:
- y = (x1·x2·x3· x4) + (x1·x2· x3·x4) + (x1·x2· x3·x4) + (x1·x2·x3·x4) + (x1·x2·x3·x4)
- y = (x1·x2· x3·x4) + (x1·x2·x3·x4) + (x1· x2· x3·x4) + (x1· x2·x3·x4) + (x1·x2·x3·x4) + (x1·x2·x3· x4) + (x1·x2·x3·x4) + (x1·x2·x3· x4)
Řešení
A)
| |
|
|
x2 | |||||
| |
|
|
x1 | |||||
| i | i | i | i | |||||
| i | 0 | 0 |
0 | 1 |
||||
| i | i | i | i | 1 |
0 |
0 |
0 | |
| i | i | i | i | 0 | 0 |
1 |
1 |
|
| i | i | i | 1 |
0 | 0 |
0 |
||
| x4 | x3 | |||||||
B)
| |
|
|
x2 | |||||
| |
|
|
x1 | |||||
| i | i | i | i | |||||
| i | 0 | 0 |
0 | 0 |
||||
| i | i | i | i | 0 |
0 |
1 |
1 |
|
| i | i | i | i | 1 |
1 | 1 |
1 |
|
| i | i | i | 1 |
1 |
0 |
0 |
||
| x4 | x3 | |||||||
Úkol
Logické funkce jsou zadané následujícími Karnaughovými mapami. Sestavte jejich algebraické výrazy v úplné normální součtové formě.
A)
| |
|
|
x2 | |||
| |
|
|
x1 | |||
| i | i | i | i | |||
| i | 0 | 1 | 0 |
1 |
||
| i | i | 0 |
0 | 1 |
1 |
|
| x3 | ||||||
B)
| |
|
|
x2 | |||||
| |
|
|
x1 | |||||
| i | i | i | i | |||||
| i | 0 | 0 |
0 | 0 | ||||
| i | i | i | i | 0 |
0 |
1 | 0 | |
| i | i | i | i | 0 | 1 |
1 |
1 |
|
| i | i | i | 0 |
1 | 0 |
0 |
||
| x4 | x3 | |||||||
Řešení
- y = (x1·x2· x3) + (x1·x2·x3) + (x1·x2· x3) + ( x1·x2·x3)
- y = (x1·x2·x3· x4) + (x1·x2·x3·x4) + (x1·x2· x3·x4) + (x1·x2·x3·x4) + (x1·x2·x3·x4)