Computer Science GCSE
Lossless methods
What Lossless methods means in Computer Science GCSE, as defined for OCR.
Definition of Lossless methods
Check what you remember
Read the wording for your board, then hide it and explain Lossless methods in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Find patterns and store them more efficiently, often using dictionary or run-length techniques.
Topics that use Lossless methods
- Compression (OCR GCSE)
Related terms
- Efficient use of finite storage
- Lossless compression
- Lossy compression
- Practical handling of large media files
- Reduced bandwidth and cost
- Faster data transmission
Using Lossless methods in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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