In the following truth table, V = 1 if and only if the input is valid.
|
Inputs |
Outputs |
|||||
|
D0 |
D1 |
D2 |
D3 |
X0 |
X1 |
V |
|
0 |
0 |
0 |
0 |
x |
x |
0 |
|
1 |
0 |
0 |
0 |
0 |
0 |
1 |
|
x |
1 |
0 |
0 |
0 |
1 |
1 |
|
x |
x |
1 |
0 |
1 |
0 |
1 |
|
x |
x |
x |
1 |
1 |
1 |
1 |
What function does the truth table represent?
1
Priority encoder
2
Decoder
3
Multiplexer
4
Demultiplexer