← 2.1 Data communication

Data communication: concepts and components

Computer Studies · Grade 10 · about 40 minutes

What data communication is, the five parts every communication system has, and the key terms - signals, protocols, TCP/IP and the OSI model.

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  • 7 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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