Question
Identify the logic gates marked 'P' and 'Q' in the given circuit. Write the truth table for the combination.
Solution
P is NAND GATE and Q is the OR GATE
Assume:
X'=
|
A |
B |
X'= |
X =B + |
|
0 |
0 |
1 |
1 |
|
0 |
1 |
1 |
1 |
|
1 |
0 |
1 |
1 |
|
1 |
1 |
0 |
1 |
