OCR J277 GCSE Computer Science Sample Paper 1 Walkthrough

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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: • (Paper 1, J277) OCR GCSE Computer Sci... • To see the blank sample paper and mark scheme, see OCR's website: • https://www.ocr.org.uk/Images/552500-... • 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 • If this video was useful, please like it and subscribe, it really helps! Also, if you use an ad blocker, whitelisting my channel is very much appreciated! • These videos will always be free but if you'd consider a donation I'd be extremely grateful - https://www.paypal.me/computerscience... or https://ko-fi.com/mrbrowncs. • Link to my TES shop where I upload my teacher resources (including the PowerPoints): https://www.tes.com/teaching-resource... • For any questions or enquiries, please email me using the address given on my channel page.

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