Page 41 - Digital Electronics by harish

Example :

Find out the Boolean expression for the circuit given below:

Step 1 : Label all the inputs ie. A, B, C, D, E, F and G.
Step 2 : Label all the gates in the circuit ie. A1, A2, A3, A4, A5, A6 and A7.
Step 3 : The output of A1 is A + B
The output of A2 is +
The output of A3 is E + F
The output of A4 is
The output of A5 is CD (E+F)

The output of A6 is C D ( E + F)
The output is A7 is + +C D ( E + F)

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