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Fifths:  Communication and the Internet

What you need to know:
  • The difference between serial and parallel data transmission
  • How parity bits are used for error detection
  • The role of the browser and internet server
  • What is meant by HTTP and HTML
  • The difference between structure and presentation in HTML
  • The concepts of MAC address, IP address and cookies

Serial and Parallel
Checking for errors with parity
The browser and server
HTML
Addresses on the internet
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