OCR GCSE Computer Science · J277
Paper 1, Paper 2
Revise: Network LayersEach layer provides a service that another layer can use, without that other layer needing to know all its internal workings. This is abstraction: hiding details that are unnecessary for using a service.
- Revise: Computational Thinking Principles
The process of removing unnecessary details from a problem while retaining the essential features needed to solve it.