A series covering the content needed for the J277 OCR GCSE 9-1 Computer Systems (01) exam. Hopefully this'll be useful for both learning the content and revising it. Next GCSE exam: Thursday 18/5/23 (in the afternoon) If you have any questions, please feel free to leave a comment or email me via the address listed on my channel page.
Curated by: MrBrownCS (42 videos)
Explaining what is meant by a firewall and how it can be used as a data-level protection method. The difference between hardware and software firewalls are discussed, as well as their general pros and cons. This video is primarily designed for the written exam (Component 3: Effective Digital Working Practices) for the Pearson Edexcel BTEC Level 1/2 Tech Award in Digital Information Technology. Video #4 for B2. Also applicable to OCR GCSE Computer Science. For the ordered playlist of videos for the Edexcel BTEC DIT exam, see here: https://www.youtube.com/playlist?list=PL04uZ7242_M5C7q2Xry39ZSe3hOb3etQQ 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/computersciencetutor 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-resources/shop/computersciencetutor For any questions or enquiries, please email me using the address given on my channel page.