CODE!

A short presentation I threw together to give to the 4th graders at May Howard Elementary before I introduce them to Hackety Hack.

Transcript

1. CODE!
   

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2. What’s Code?
   

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3. It’s words that tell a
   computer what to do.
   

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4. But, humans can read
   it too!
   

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5. Code looks something
   like this:
   

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6. class Dog
   attr_accessor :color, :size
   def bark
   “woof!”
   end
   end
   

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7. I’ll show you how that
   works later… remind me.
   

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8. What’s it like coding
   all the time?
   

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9. FUN!
   

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10. What’s The Web?
    

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11. Billions of computers
    listening for requests.
    

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12. And responding
    with… responses!
    

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13. How it works
    

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14. How It Works
    • Your computer makes a request to an address -
    http://amazon.com
    • A thing called a DNS server says “Hey, that’s this
    computer” and your computer sends that computer
    a request.
    • That computer gets the request and answers it.
    • Just like a game of telephone.
    

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15. And it all works
    because of…
    

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16. CODE!
    

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17. Are you ready to write
    some?!
    

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18. ME TOO!
    

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