• communication systems as being those systems which enable users to send and receive data and information
  
  
• the framework in which communication systems function, demonstrated by the Fig 3.1 model

• the functions performed within the communication systems in passing messages between source and destination, including:
  • –  message creation
  • –  organisation of packets at the interface between source and transmitter
  • –  signal generation by the transmitter
  • –  transmission
  • –  synchronising the exchange
  • –  addressing and routing
  • –  error detection and correction
  • –  security and management
• the roles of protocols in communication
  • –  handshaking and its importance in a communication link
  • –  functions performed by protocols at different levels
• the client - server model
• –  the role of the client and the server
• –  thin clients and fat clients
• –  examples of clients such as web browsers and mail clients
• –  examples of servers such as print servers, mail servers and web server 

Student Activity

Create a Google Drive Folder : "Communication Systems"
Create a Page called "Characteristics of Communications Systems"

Based on the Videos on the previous page, answer the following questions in your OneNote Page:

1. Name 3 formats that the data takes within the OSI Models
   (One of them is Frames... name the rest)
   
   
2. Name the 3 Levels that the IPT Course breaks the 7 OSI levels down to.