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INTERNET, SECURITY AND RESPONSABILITY ( 1965 USA Departament of defense)

- - - - Internet explorer
      - Google Chrome
      - Mozilla Firework
      - Safari
    - - Google
      - Bing
      - Yahoo
- - - - Time
      - Distance
- - - - White Hackers they help to know how secure their systems are
      - Cryptography
      - Passwords
- - - - DN S SERVER assing a name to each IP address
        
        Communicating among computers followa a set of a rules called PROTOCOL
        
        DNS Server sends the request to the server that hosts the web page we want to visit
        
        The server sends us the information packets
        
        The packets reach our computer and are reassembled. The page is displayed in our browser
        
        HTTP: hypertext transfer protocol Severs use this protocol to send and receive documents
        
        TCP/IP (packets of information)