design a logic circuit whose output is high whenever A and B are both high as long as C and D are either both low or both high.Try to do this without using a truth table.Then check your result by constructing a truth table from your circuit to see if it agrees with the problem statement
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the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
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“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.
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