Topic 3 of 19

Data transmission

What the specification covers

Unit 1 (AS)Fundamentals of Computer Science

  • Serial and parallel transmission
  • Simplex, half and full duplex
  • Multiplexing and switching
  • Packets and routing
  • Collision detection

Unit 4 (A2)Computer Architecture, Data, Communication and Applications

  • Data transfer rate calculations
  • Lowest-cost network routes
  • The internet as communications infrastructure

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