Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

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16th December 2025

5 questions · GCSE · 123 questions in this band

  1. 1
    Algorithms

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

  2. 2
    Translators and Integrated Development Environments (IDEs)

    A program compiles and runs but always outputs an average that is too small. State the type of error and explain why the translator did not report it.

  3. 3
    1D and 2D Array Processing: Writing and Tracing Programs

    Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.

  4. 4
    Programming Fundamentals

    State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.

  5. 5
    Producing Robust Programs

    A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.

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