ice breaker

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Across
  1. 3. engine or apparatus
  2. 5. expert in a particular
  3. 6. process of gaining understanding
  4. 8. not natural
  5. 9. electronic, not analogue
Down
  1. 1. self operating system
  2. 2. the colour of grass
  3. 4. facts and figures
  4. 5. computer programs
  5. 7. brainpower