Going through sample solutions to the OCR GCSE (J277) specimen exam for the component 1 of the qualification. Along the way I cover some suggested exam techniques, key theory needed, and common misconceptions.
For my playlist that covers all of the content required for Paper 1, see here: [ Ссылка ]
To see the blank sample paper and mark scheme, see OCR's website:
[ Ссылка ]
0:00 Introduction and Overview
5:22 Q1: Hardware and the CPU
12:15 Q2: Secondary Storage
15:39 Q3: RAM/ROM & Embedded Systems
19:50 Q4: Representing Sound
22:50 Q5: Binary Conversions & Shifting
27:25 Q6: Representing text with ASCII
28:24 Q7: Network Protocols & Topologies
36:43 Q8: System Security
45:09 Q9: Defragmentation
50:29 Q10: WANs, Cloud Storage, & Legislation
58:59 Q11: 8 Marker on Impacts of Computing
1:08:38 Summary and Final Advice
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