Full overview for OCR GCSE Computer Science (9-1) course. Written in 2020, these 27 pages long notes cover the entire course. Great revision notes.

  • Class Year
  • 2021
  • Number of Pages
  • 27
  • Staff Rating
  • 4.75/5

OCR GCSE Computer Science (9-1) – J276 overview. Colour coded aesthetic notes are very easy to study. Great resource for exam preparation and revision. Following topics and subtopics are included in these CS summary notes.

  • Computer System
  • Von Neumann Architecture
  • Fetch, Decode, Execute Cycle
  • CPU performance factors
  • Memory Types
  • Secondary Storage
    • LAN
  • Types of Networks
    • WAN
  • Performance of networks
  • Wire and Wireless Network Comparisons
  • Client/Server and Peer-to-Peer
  • Hardware Needed
    • HUB
  • DNS, IP addressing, web hosting and the cloud
    • URL
    • DNS
  • Virtual Network
  • Network Topologies
  • Protocols
    • HTTP/HTTPS
    • FTP
    • SMTP
  • Packet Switching
  • Operating System
  • Utility Software
  • Legislation

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