Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

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22nd February 2025

5 questions · GCSE · 123 questions in this band

  1. 1
    Network Security

    State one weakness of a simple shift cipher compared to modern encryption methods used on networks.

  2. 2
    Ethical, Legal, Cultural and Environmental Impact

    A streaming company records which shows each user watches and uses this to recommend similar shows. Explain one ethical concern this could raise, even if the company only uses the data to improve recommendations.

  3. 3
    Network Protocols and Layers

    State the layer that IP operates in, and describe its job.

  4. 4
    Algorithms

    Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.

  5. 5
    Translators and Integrated Development Environments (IDEs)

    Give one advantage and one disadvantage of using a compiler.

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