What is the meaning of this Wave output?

sr13579

Member
Hello Friends!
I have generated a similation of 2x4 decoder.
Everything was fine but I don't know how to read the output of [0:3] d. Means I don't know how to read the output of the decoder. It seems it is changing the voltage while I am changing the input. But I don't know how to read the symbols(7,B,D) either. How to read this output?
Can anyone teach me please?
 

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