20. OCR A Level (H046-H446) SLR4 - 1.2 Virtual machines
19. OCR A Level (H046-H446) SLR4 - 1.2 Device drivers
18. OCR A Level (H046-H446) SLR4 - 1.2 BIOS
17. OCR A Level (H046-H446) SLR4 - 1.2 Types of operating system
16. OCR A Level (H046-H446) SLR4 - 1.2 Scheduling
46. OCR A Level (H046-H446) SLR9 - 1.3 Lossy vs lossless
47. OCR A Level (H446) SLR9 - 1.3 Run length & dictionary coding
22. OCR A Level (H046-H446) SLR5 - 1.2 Utilities
10. OCR A Level (H046-H446) SLR3 - 1.1 Magnetic, flash and optical storage
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15. OCR A Level (H046-H446) SLR4 - 1.2 Interrupts
26. OCR A Level (H446) SLR5 - 1.2 Linkers, loaders and libraries
14. OCR A Level (H046-H446) SLR4 - 1.2 Paging, segmentation and virtual memory
110. OCR A Level (H046-H446) SLR16 - 1.5 Investigatory Powers Act
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13. OCR A Level (H046-H446) SLR4 - 1.2 Need for operating systems
25. OCR A Level (H446) SLR5 - 1.2 Stages of compilation
89. OCR A Level (H046-H446) SLR14 - 1.4 Data structures part 3 - Stacks & queues
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49. OCR A Level (H446) SLR9 - 1.3 Hashing