Question

design logic circuit with inputs A, B, c,and D output of this circuit is high only when majority inputs are high then implement this circuit with ALL NAND-gates

Answer 1

Answer:

“A majority” is not something typically handled by logic, but as there’s only three, a majority is when two are in the required condition. All three A, B & C fed into NOT gates. Outputs from NOT gates into ANDs for A&B, A&C, B&C. All three AND outputs into an OR (assuming three-input OR, or two go into one, then the output of that to another OR along with the third). Could reduce it all to NAND gates if you’re at all bothered about doing so.

Explanation:

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