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    I just switched from product design to computer science GCSE, and I had my first lesson today. I loved it!! What sort of things will we learn about? I forgot to ask my teacher :-/
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    Study: Hardware (CPU, embedded systems, components of a computer,) Python programming, computer systems (inc networks.) those are the 3 big topics all obviously have more smaller topics. To help with the programming I’d do a tutorial on codecademy.com or start practising on your PC at home. It also helps to be decent at maths.
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    In the OCR revision guide:

    Component 1 - Computer systems
    Section one - components of a computer system
    Section two - networks
    Section three - issues (ethics, environment, all that boring stuff)

    Component 2 - Computational Thinking, Algorithms and Programming
    Section four - Algorithms
    Section five - Programming
    Section six - Design, testing and integrated development environments
    Section seven - Data representation (binary, logic, hexadecimals)

    And then component 3 isn't in the revision guide because it's the controlled assessment where you sit in a computer room with no access to internet and code a task that the exam board sets you. You're allowed certain materials but you can't take anything in or out of the room. Programming's actually a tiny part of computer science, I wish it was more of it
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