A focused revision guide covering file compression for Cambridge IGCSE Computer Science 0478. Clear explanations with exam-focused language throughout.
This resource covers:
Why file compression is needed
Lossy compression, definition, how it works and examples
Lossless compression, definition, how it works and examples
When to use lossy vs lossless compression
The effect of compression on file quality and file size
Common file formats and their compression types
Run length encoding explained with examples
Cambridge exam vocabulary and mark scheme language throughout
Common exam mistakes on compression questions
Suitable for:
Cambridge IGCSE Computer Science 0478
KS4 Computer Science lessons
Student independent revision
Homework and classroom activities
Free to download and use immediately. Designed to help students answer compression questions confidently and accurately.
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