A teenage programmer learns about abstraction, by thinking of what she needs to tell her computer to look for in selecting people for a dance audition. Suitable for teaching at KS3, KS4 and ...

With each abstraction, people also lose insights. When learning a new topic, it is important to continuously zoom-in and out on the subject to explain and understand the subject at different levels.

Learn about and revise decomposition with this BBC Bitesize GCSE Computer Science Edexcel study guide.