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Learning about computer languages

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Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume.
Text reads 'Hypertext Transfer Protocol', letters H, T, T, P highlighted
Learning about computer languages

SUBJECTS:  Technologies

YEARS:  7–8


What happens when you type a web address or URL into your computer and press enter? Watch this clip to find out!

Computers and servers talk to each other in a language called HTTP. What are the messages they send and recieve mostly about?

HTML is another language, one that tells a web browser how to make a web page look. It tells the browser what text to display and how this text should look (its size, whether it needs to be in bold etc). It also tells the browser where images should go.

Why do images and videos sometimes take a while to load onto a web page? What is cookie data? And how do you know if your connection to the internet is secure?


Acknowledgements

Video © Code.org



Production Date: 28 Sep 2015


Copyright

Metadata © Australian Broadcasting Corporation and Education Services Australia Ltd 2012 (except where otherwise indicated). Digital content © Australian Broadcasting Corporation (except where otherwise indicated). Video © Australian Broadcasting Corporation (except where otherwise indicated). All images copyright their respective owners. Text © Australian Broadcasting Corporation and Education Services Australia is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0).

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