BTEC DIT C3 - various 2

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Across
  1. 2. Poisonous metal found on motherboards and other circuit boards
  2. 4. The words from a video / audio clip in written form
  3. 5. Digital _________ : the difference between those who have and don’t have access to technology, and includes:
  4. 7. A protected group type
Down
  1. 1. Precious metal found in computing components
  2. 3. Treating certain categories of people differently
  3. 6. Old electronic devices