Rousse puzzle

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Across
  1. 3. wireless internet (Net)
  2. 5. blinking line
  3. 7. virus makes your computer sick
  4. 8. bullying online
Down
  1. 1. screen
  2. 2. good manners online
  3. 4. central processing unit
  4. 6. small picture or a logo
  5. 9. added to the Net