Similar to the NAND gate, the NOR gate is an OR gate and a NOT gate connected in series. The truth table for NOR gate is the inverse of OR gate. i.e. The output is 'NOT' true when input one 'OR' input two is true.

Truth Table | ||
---|---|---|

Input One | Input Two | Output |

0 | 0 | 1 |

1 | 0 | 0 |

0 | 1 | 0 |

1 | 1 | 0 |