Consider the output A and B with I0, I1, I2 and I3 as input and ‘A’ and ‘B’ as output,
A = I2 + I3
B = I̅2 I1 + I3
The above circuit is:1
4:1 multiplexer
2
De-multiplexer
3
BCD circuit
4
Priority Encoder
Consider the output A and B with I0, I1, I2 and I3 as input and ‘A’ and ‘B’ as output,
A = I2 + I3
B = I̅2 I1 + I3
The above circuit is: