46. OCR A Level (H046-H446) SLR9 - 1.3 Lossy vs lossless
47. OCR A Level (H446) SLR9 - 1.3 Run length & dictionary coding
51. OCR A Level (H046-H446) SLR10 - 1.3 Methods of capturing data
71. OCR A Level (H046-H446) SLR12 - 1.3 Lossy vs lossless
49. OCR A Level (H446) SLR9 - 1.3 Hashing
11. OCR A Level (H046-H446) SLR3 - 1.1 RAM and ROM
10. OCR A Level (H046-H446) SLR3 - 1.1 Magnetic, flash and optical storage
57. OCR A Level (H046-H446) SLR11 - 1.3 Network characteristics & protocols
20. OCR A Level (H046-H446) SLR4 - 1.2 Virtual machines
48. OCR A Level (H446) SLR9 - 1.3 Symmetric & asymmetric encryption
107. OCR A Level (H046-H446) SLR16 - 1.5 Data Protection Act
22. OCR A Level (H046-H446) SLR5 - 1.2 Utilities
21. OCR A Level (H046-H446) SLR5 - 1.2 The nature of applications
30. OCR A Level (H046) SLR6 - 2.2 Test strategies
111. OCR A Level (H046-H446) SLR17 - 1.5 Moral, social & ethical issues part 1
42. OCR A Level (H046-H446) SLR8 - 1.2 Introduction to programming part 3 procedures & functions
OCR A-Level Computer Science: Mastering Pipelining in 5 Minutes - H446 Revision
61. OCR A Level (H446) SLR11 - 1.3 Network security threats
24. OCR A Level (H046-H446) SLR5 - 1.2 Translators
81. OCR A Level (H446) SLR13 - 1.4 Floating point binary part 3 - Recap and further examples