The Internet

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Across
  1. 6. Numeric device identifier
  2. 7. Internet's address book
  3. 8. A physical device that is used to connect other physical devices
  4. 9. a software program used to locate and display information on the Internet
  5. 10. Set of markup symbols or codes inserted into a file intended for display on the internet.
Down
  1. 1. "about" in about.google.com
  2. 2. "google" in about.google.com
  3. 3. Data traffic director between networks
  4. 4. A software program used to locate and display information on the Internet
  5. 5. System of interconnected computer networks