Cambridge IGCSE Computer Science
2Data transmission
Data transmission in Cambridge IGCSE Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Topic85 practice questions5 lessons
In this topic
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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Error detection: parity, checksums, echo checks, check digits and ARQ
40 min
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Encryption: symmetric and asymmetric keys
30 min
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