Answer:
See attachment for truth table
Step-by-step explanation:
Required
Complete the table
As a general rule;
A' means Not A and the value will be the opposite of A;
If A = 1, then A' = 0
Also:
A' + B will be 0 if A' and B are 0, otherwise A' + B will be 1
Using the above analysis, we have:












See attachment for truth table
According to the question, only outputs with "1" will be checked.