**Topic 5: Communication and the internet of the Edexcel GCSE Computer Science Specification. ** This is the network section of computer science course, broken down into short concise revision notes. Allowing students to summaries, consolidate, and solidify knowledge. Acting as an intermediate between conventional revision cards and revision guides, it acts as a comparable revision aid blending both the advantages of a revision guide (longer, more in-depth knowledge) and revision notes (easy, learnable, portable last stop)

Topic 1: Systems Architecture of the OCR New Specification of Computer Science for assessment in 2022 Concise summary of System Architecture, including: The Von Neumann Architecture Fetch Execute Cycle Factors that effect performance

This is the entire theoretical side computer science course, broken down into short concise revision notes. Allowing students to summaries, consolidate, and solidify knowledge. Acting as an intermediate between conventional revision cards and revision guides, it acts as a comparable revision aid blending both the advantages of a revision guide (longer, more in-depth knowledge) and revision notes (easy, learnable, portable last stop) Attached, is both the pdf and the ppt of each section. From 1-6, based on the categories given in the specification materials: Topic 1: Problem solving Topic 2: Programming Topic 3: Data Topic 4: Computers Topic 5: Communication and the internet Topic 6: The bigger picture As Topic 1 & 2 (CS1&2) is heavily practical based, much of the content/specification points have been left as this resource mainly focuses on the theory and less so practical content.

Topic 2: Memory & Storage of the OCR New Specification of Computer Science for assessment in 2022 Concise summary of System Architecture, including: Primary storage Secondary storage Storage Types Binary Image/Sound Representation Compression

Topic 3: Computer networks, connections and protocols of the OCR New Specification of Computer Science for assessment in 2022 Concise summary of System Architecture, including: Types of Networks Factors that effect performance Network Hardware Topologies Modes of Transmission Protocols The Internet The Cloud

Topic 5: Systems Software of the OCR New Specification of Computer Science for assessment in 2022 Concise summary of Systems Software, including: Operating Software Utility Software

Topic 4: Network security of the OCR New Specification of Computer Science for assessment in 2022 Concise summary of Network security, including: Malware Social Engineering Other Forms of Attack Identifying and preventing vulnerabilities

Topic 6: Ethical, legal, cultural and environmental impacts of digital technology of the OCR New Specification of Computer Science for assessment in 2022 Concise summary of Impact of Technology, including: Ethical issues The Ten Commandments of Computer Ethics Legislation: The Data Protection Act 2018 Computer Misuse Act 1990 Copyright Designs and Patents Act 1988 Software Licences Cultural issues The Digital Divide Environmental issues