The Internet

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Across
  1. 2. Advanced Research Projects Agency Network in shorter way...
  2. 3. In what month was Internet first connected?
  3. 4. Clobal system of interconnected computer networks is the...
  4. 7. History of...
Down
  1. 1. Distributed denial-of-service aka...
  2. 2. What can stop viruses inflecting files in your computer?
  3. 5. What type of file can you execute/launch?
  4. 6. Bot in other words