On the Subject of Logic Circuits
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Logic gates are the building blocks of digital circuits. Each gate has one or more inputs and produces a single output. The output is determined by the inputs and the type of gate.
- A, B, C represent inputs which can be on or off.
- Follow the rules of each gate to determine the output S.
- Answer with F if the output S is off, and T if the output S is on.
Gate | Symbol | Rule |
---|---|---|
NOT | ![]() |
Output is the opposite of the input. |
AND | ![]() |
Output is on if both inputs are on. |
OR | ![]() |
Output is on if at least one input is on. |
XOR | ![]() |
Output is on if exactly one input is on. |
NAND | ![]() |
Output is off if both inputs are on. |
NOR | ![]() |
Output is off if at least one input is on. |