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Speaking F1 Ha Eun SUMMARY
studentss 추천 0 조회 10 22.11.24 20:06 댓글 3
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  • 22.11.25 18:49

    첫댓글 The Cyber World, We Live in

    Today's story book is about the Cyber world that we always need. Let's start the book, and you'll feel amazing about it!

    Before there was internet people wrote letters. However, the problem was it was too much time to wait. Long ago, people used carrier pigeons, loud horns, and smoke signals to communicate. It’s a very different world we live in today!

  • 22.11.25 18:49

    The 1960s brought us a new form of telegraphy. It could link countries and enable them to be in instant communication with each other. In the 1990s, the US Military dropped APRANET, but commercial network quickly replaced it.
    Ray Tomlinson developed the @ key which could go between the specific user's name and domain name. This would enable messages to be sent from one computer to another. Four years later, Queen Elizabeth the second sent her first email with a computer. The World Wide Web was designed to look like a spider's web.

  • 22.11.25 18:50

    Internet hackers create viruses which can damage computers. In Korea, online gaming is the number one recreation. It's illegal to download music without paying for it!

    I don't want to get hacked, because my mum mentioned that it would be so bad for my laptop...!

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