AQA GCSE Computer Science · 8525
Paper 2
The process of reducing the storage space required for data by encoding it using fewer bits than the original representation.
Revise: Data Compression ConceptData compression is the process of reducing the storage space required for data by encoding it using fewer bits than the original representation. Encoding means representing data according to a set of rules. Compression changes that representation so that it is more compact; it does not make individual bits physically smaller.
- Revise: Reasons for Compression