How do logic gates calculate their output?

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Do transistors calculate the output? If so, wouldn’t transistors be the most fundamental logic of computers?

Thanks.

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Anonymous 0 Comments

You can make some gates with just diodes, but you’d need a transistor to get the voltage back up near the input voltage.

For example diodes in parallel, plus a resistor can make an OR gate or an AND gate. A transistor and a resistor can make an inverter. An AND gate and an inverter is a NAND gate. NAND gates can be used to make all the other gates.
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