Computer Science › Section A · Introduction to computer science › Topic A.3
The big themes of computer science and its impact on society
Computer science covers circuits, networks, databases and artificial intelligence, but a handful of ideas run through all of them. Knowing those themes, and how computing affects people, helps every later topic fit together.
In this topic
- One field, many branches
- The big ideas
- Algorithms at the centre
- Abstraction and abstract tools
- Worked example: layers of abstraction
- Creativity, data and programming
- The internet and impact
- Thinking through ethical dilemmas
- Worked example: a biased prediction tool
- Common mistakes to avoid
- Key takeaways
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