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
  

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