Computer Science GCSE
File-size expression
What File-size expression means in Computer Science GCSE, as defined for Pearson Edexcel.
Definition of File-size expression
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Read the wording for your board, then hide it and explain File-size expression in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A calculation that multiplies the number of items by the bits or bytes required per item.
Topics that use File-size expression
- Data storage and compression (Pearson Edexcel GCSE)
Related terms
- Lossless compression and exact reconstruction
- Lossy compression and permanent data loss
- Matching compression method to file type
- Need for compression
- Nibble
- Binary multiples
- Unit conversion
Using File-size expression in the exam
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