Logic gates

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Across
  1. 2. A gate that outputs 1 if any input is 1
  2. 3. A building block of digital circuits
  3. 5. Universal gate; outputs 0 only when all inputs are 1
  4. 7. A gate that inverts its input
  5. 8. A gate that outputs 1 if inputs are different
Down
  1. 1. Algebra that deals with binary values
  2. 4. A gate that outputs 1 only if all inputs are 1
  3. 6. A gate that outputs 1 only if all inputs are 0