5.1.3

What is the Internet?

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What is the Internet?

The Internet is a worldwide collection of computer networks (a network of networks).

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Internet Protocol (IP)

  • The Internet Protocol (IP) is a set of rules that make sure that devices can work together on the Internet.
  • Every computer is assigned an IP address that is used to send and receive data from other devices.
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Packet switching

  • Packet switching is the process by which data is transmitted on the Internet.
  • Data is split into small 'packets' which are then sent out across the network.
  • Routers are essential to the internet because they pass the data packets between the interconnected networks.
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Internet traffic

  • There are a lot of different types of traffic on the Internet.
  • Each type of traffic corresponds to a different type of application. For example:
    • World Wide Web (WWW) traffic.
    • Email traffic.
    • Multiplayer game traffic.
    • Video streaming traffic.

Jump to other topics

1Computational Thinking & Algorithms

2Programming

3Hardware & Software

4Data

5The Internet

6Online Safety & Security

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