Hello,
i dont know how the logic gates behave with unknown values.
For example if we have:

unknown AND 1 =?
unknown OR 1 = ?
unknown XOR 1+ ?

thanks.

 

Hello,

Did you read this thread:
PLEASE READ - Posting Questions in the Homework Help Forum

So can you show us your ideas?

For more info on digital theory have a look at the links of the following pages:
Digital logic
Digital theory

Bertus

 

thank you