On the diagrams below draw in the eight possible combinations for switches A, B and C.


Fill in the Truth Table.
Use 0 for switch is open or lamp D is off. Use 1 for switch is closed or lamp D is on.
|
A |
B |
C |
D |
|
0 |
0 |
0 |
|
|
0 |
0 |
1 |
|
|
0 |
1 |
0 |
|
|
0 |
1 |
1 |
|
|
1 |
0 |
0 |
|
|
1 |
0 |
1 |
|
|
1 |
1 |
0 |
|
|
1 |
1 |
1 |
|
What logic gate does this correspond to?.