Cambridge IGCSE · Cambridge International

Computer Science 0478

Computer Science 0478 revision notes for Cambridge IGCSE.

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Explore Computer Science

Explore 17 topic notes, learning objectives and practice.

2026–2028

IGCSE

Binary, denary and hexadecimal number systems5 learning objectives · 7 practice questions
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Text, sound and images, units of storage and compression6 learning objectives · 7 practice questions
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IGCSE

Data transmission, packets and network hardware5 learning objectives · 6 practice questions
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Methods of error detection5 learning objectives · 7 practice questions
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Encryption4 learning objectives · 6 practice questions
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IGCSE

Computer architecture and the fetch–decode–execute cycle6 learning objectives · 7 practice questions
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Input and output devices, sensors and data storage6 learning objectives · 11 practice questions
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Software, operating systems, translators and IDEs6 learning objectives · 7 practice questions
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IGCSE

The internet, the world wide web and digital currency5 learning objectives · 7 practice questions
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Cyber security threats and protection6 learning objectives · 7 practice questions
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Automated systems, robotics and artificial intelligence5 learning objectives · 9 practice questions
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IGCSE

The program development life cycle, decomposition and writing algorithms6 learning objectives · 7 practice questions
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Standard methods, trace tables, validation and test data6 learning objectives · 7 practice questions
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IGCSE

Programming concepts: data types, constructs and sub-routines6 learning objectives · 9 practice questions
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One- and two-dimensional arrays and file handling5 learning objectives · 7 practice questions
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Single-table databases and SQL5 learning objectives · 7 practice questions
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Logic gates, logic circuits and truth tables6 learning objectives · 10 practice questions
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128 practice questions across 17 topics. Free accounts practise with 20 sample questions in this subject; paid plans include every question.