Skip to content
    Computer Science GCSE

    Clock Speed

    What Clock Speed means in Computer Science GCSE, as defined for Pearson Edexcel.

    Definition of Clock Speed

    The number of fetch-decode-execute cycles the CPU can perform per second, measured in Hertz (usually GHz).
    Pearson Edexcel · Hardware (study guide)

    Topics that use Clock Speed

    Related terms

    Using Clock Speed in the exam

    Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.

    Practise Computer Science questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    7 days Premium · Then free forever · No card, no charge

    All Computer Science GCSE terms