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Learning objective

Recognize the function of the central processing unit (CPU) in a computer and understand the definition of a microprocessor.

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  • Read the explanation.
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  • Practise with linked questions.
Cambridge IGCSE Computer ScienceSubject content

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Quick explanation

Recognize the function of the central processing unit (CPU) in a computer and understand the definition of a microprocessor

  • This point belongs to Computer architecture, especially Computer architecture outcomes.
  • You need to be able to recognize the function of the central processing unit (CPU) in a computer and understand the definition of a microprocessor.
  • The key ideas to know are Define and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineExplain

Why it matters

This objective helps connect Computer architecture outcomes to exam-style questions, flashcards, and revision notes for Computer architecture.

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Paper 1 structured question: Computer architecture

Paper 1Computer Systems1 marks

Description

Role of the CPU

The CPU is essential for executing instructions and processing data in a computer system.

  1. a

    State the main function of the CPU.

    Aim for approximately 1 distinct marking point.

    [1]
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