| 基本邏輯閘 |
符號 |
數學公式 |
真值表 |
| 緩衝器 |
 |
Q = A |
A Q 0 0 1 1
|
| 非 |
 |
Q = 非 A |
A Q 0 1 1 0
|
| 與 |
 |
Q = A . B |
A B Q 0 0 0 0 1 0 1 0 0 1 1 1
|
| 與非 |
 |
Q = 非 (A . B) |
A B Q 0 0 1 0 1 1 1 0 1 1 1 0
|
| 或 |
 |
Q = A + B |
A B Q 0 0 0 0 1 1 1 0 1 1 1 1
|
| 或非 |
 |
Q = 非 (A + B) |
A B Q 0 0 1 0 1 0 1 0 0 1 1 0
|
| 異或 |
 |
Q = A + B |
A B Q 0 0 0 0 1 1 1 0 1 1 1 0
|
| 異或非 |
 |
Q = 非 (A + B) |
A B Q 0 0 1 0 1 0 1 0 0 1 1 1
|