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Cores - GCSE Computer Science Definition

Reviewed by: James Woodhouse

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What are CPU cores?

In GCSE Computer Science, a CPU core is an independent processing unit capable of executing instructions. Modern CPUs have multiple cores, allowing them to process multiple tasks simultaneously.

How do cores impact performance?

A multi-core processor can handle multiple processes at once, making computers more efficient. For example, a quad-core (4-core) CPU running at 3 GHz can theoretically process up to 12 billion instructions per second.

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James Woodhouse

Reviewer: James Woodhouse

Expertise: Computer Science & English Subject Lead

James graduated from the University of Sunderland with a degree in ICT and Computing education. He has over 14 years of experience both teaching and leading in Computer Science, specialising in teaching GCSE and A-level. James has held various leadership roles, including Head of Computer Science and coordinator positions for Key Stage 3 and Key Stage 4. James has a keen interest in networking security and technologies aimed at preventing security breaches.

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