Computer Science work

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Across
  1. 2. potato,fish gets a takeaway
  2. 4. micro,worth billions
  3. 5. rugby,keep information safe
  4. 7. eat,8 bits per mouthful
  5. 8. exit,password please
Down
  1. 1. glass,sounds like pain but it doesn't hurt
  2. 2. google,fit tea into an uber
  3. 3. colour,16 million of them
  4. 6. crumbs,sounds like rookies but tastes better