49. OCR A Level (H446) SLR9 - 1.3 Hashing
48. OCR A Level (H446) SLR9 - 1.3 Symmetric & asymmetric encryption
10. OCR A Level (H046-H446) SLR3 - 1.1 Magnetic, flash and optical storage
46. OCR A Level (H046-H446) SLR9 - 1.3 Lossy vs lossless
19. OCR A Level (H046-H446) SLR4 - 1.2 Device drivers
18. OCR A Level (H046-H446) SLR4 - 1.2 BIOS
47. OCR A Level (H446) SLR9 - 1.3 Run length & dictionary coding
Little Man Computer A Level CS exam revision worked example
63. OCR A Level (H046-H446) SLR11 - 1.3 Client server & peer to peer
OCR A-Level Computer Science: Mastering Pipelining in 5 Minutes - H446 Revision
111. OCR A Level (H046-H446) SLR17 - 1.5 Moral, social & ethical issues part 1
28. OCR A Level (H046-H446) SLR6 - 1.2 Development methodologies part 2
54. OCR A Level (H446) SLR10 - 1.3 SQL
51. OCR A Level (H046-H446) SLR10 - 1.3 Methods of capturing data
36. OCR A Level (H446) SLR7 - 1.2 Object-oriented languages part 1
20. OCR A Level (H046-H446) SLR4 - 1.2 Virtual machines
12. OCR A Level (H046-H446) SLR3 - 1.1 Virtual storage
50. OCR A Level (H046-H446) SLR10 - 1.3 Introduction to database concepts
127. OCR A Level (H046-H446) SLR20 - 2.1 Identify sub procedures
22. OCR A Level (H046-H446) SLR5 - 1.2 Utilities