Question

form AND gate using NOR gates​

Answer 1

Explanation:

For getting familiar with these it is important that one should have knowledge about the De Morgan’s theorem

– According to the theorem the sum of the complement is equal to the product of the complement.

(A+B)‾ = A‾ . B‾                 –       EQ 1

From the figure shown above, Two NOR gate is been used by us and we short the input terminal of each gate so the output we will obtain as

= A‾ + B‾

Now  these output is again given as an input of the another NOR gate and the output which we will get as

= (A‾ + B‾)‾

=A‾ ‾ + B‾ ‾

= A.B

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