Cambridge IGCSE Computer Science
2.1Types and methods of data transmission
Types and methods of data transmission in Cambridge IGCSE Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic51 practice questions3 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 2.1.1aUnderstand that data is split into packets for transmission.
- 2.1.1bDescribe the structure of a packet: header, payload and trailer.
- 2.1.1cDescribe packet switching.
- 2.1.2aDescribe serial, parallel, simplex, half-duplex and full-duplex transmission.
- 2.1.2bExplain which transmission method suits a given scenario.
- 2.1.3Explain how the USB interface transmits data, with its benefits and drawbacks.
Lessons
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Packets and packet switching
25 min
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Ports, connections and the USB interface
30 min
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Serial, parallel, simplex, half-duplex and full-duplex transmission
30 min
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Sample question
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