1. OCR A Level (H046-H446) SLR1 - 1.1 ALU, CU, registers and buses
2. OCR A Level (H406-H466) SLR1 - 1.1 Fetch, decode, execute cycle
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36. OCR A Level (H446) SLR7 - 1.2 Object-oriented languages part 1
3. OCR A Level (H406-H466) SLR1 - 1.1 Performance of the CPU
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6. OCR A Level (H046-H446) SLR2 - 1.1 CISC vs RISC
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9. OCR A Level (H046-H446) SRL3 - 1.1 Input, output and storage devices
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50. OCR A Level (H046-H446) SLR10 - 1.3 Introduction to database concepts
8. OCR A Level (H046-H446) SLR2 - 1.1 Multi-core & parallel systems
34. OCR A Level (H046-H446) SLR7 - 1.2 Assembly language and LMC language
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32. OCR A Level (H446) SLR7 - 1.2 Programming paradigms
46. OCR A Level (H046-H446) SLR9 - 1.3 Lossy vs lossless