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Logic diagrams 1

Q1. Study this logic diagram:

Q3c
Q2. How many inputs and outputs are there?
Q3. How many permutations of inputs are there?
Q4. How did you calculate the number of permutations?
Q5. Complete the truth table for the diagram. 

A B D C E
0 0 0    
0 0 1    
0 1 0    
0 1 1    
1 0 0    
1 0      
1        
         

Q6. Study this logic diagram:

Q4c
Q7. How many inputs and outputs are there?
Q8. How many permutations of inputs are there?
Q9. How did you calculate the number of permutations?
Q10. Complete the truth table for the diagram. 

A B D C E
0 0 0 0 0
0 0 1 0 0
0 1 0 1  
         
         
         
         
         

Q11. Study this logic diagram:

Q5c
Q12. How many inputs and outputs are there?
Q13. How many permutations of inputs are there?
Q14. How did you calculate the number of permutations?
Q15. Create and complete the truth table for the diagram. 

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