Computer Science for IGCSE & O level - Data Representation (Section 11 - No. 20)
Which statements are true regarding lossy data compression?
It achieves higher compression ratios than lossless methods.
Some information in the original data is permanently lost.
It is unsuitable for images because it removes too many pixels.
It is widely used for multimedia files like images and audio.
Förklaring
Lossy compression offers high compression, but it will discard information, so is suitable for images and audio.