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Decomposition
Decomposition is one of the four cornerstones of Computer Science. It involves breaking down a complex problem or system into smaller parts that are more manageable and easier to understand. The smaller parts can then be examined and solved, or designed individually, as they are simpler to work with.
The following video will help with the topic of DECOMPOSITION
Additional Reading
https://www.bbc.co.uk/bitesize/topics/zkcqn39/articles/z8ngr82