Computer Science for IGCSE & O level - Data Representation (Section 16 - No. 24)
Which of the following is a characteristic of a 'lossy' compression method?
The original data can always be perfectly restored.
The file size is reduced.
There is never any reduction in quality.
It is only suitable for text files.
Forklaring
Lossy compression prioritizes file size reduction, sometimes at the expense of data detail.