Unit 4: A4 Machine learning
Topic 4.3: Machine learning approaches Questions
Practice 3 exam-style questions for IB Computer Science Topic 4.3. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1State1 mark
2026
State one of the layers found in a convolutional neural network.
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Unlock Question2Describe3 marks
2026
A model predicts whether a scan shows a fracture. Describe how the model could be evaluated using an F1 score.
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Unlock Question3Justify3 marks
2026
A self-learning robotic cleaner is built with reinforcement learning rather than supervised learning. Justify that choice.
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