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- 1Lossless CompressionLossless compression makes files smaller by temporarily removing data to store the file and then restores it to its original state when opened. It makes files smaller by using algorithms which use pattern recognition and mathematical calculations. It would need to be used for files which cannot lose any data. For example, some code or a document.
- 2Lossy CompressionLossy compression makes files smaller by permanently removing data. This data cannot be restored. When the file is compressed, some data is removed so some of the quality is lost. However the file can still be used and the loss of quality is not noticeable.
- 3The difference between Lossless Compression and Lossy Compression ?The difference between Lossy compression and Lossless Compression is that Lossy compression removes the data. Lossless Compression means as the file size is compressed, the picture quality remains the same.
Advantage for Lossless Compression is that can be restored to original file. Disadvantage for Lossless Compression is that Can’t make file as small in size compared to Lossy.
Advantage for Lossy Compression can make a file much smaller in size. Disadvantage for Lossy Compression can’t restore the original file. - 4What are the different types of files that likely to use Lossy Compression or Lossless Compression.Lossy Compression uses only 3 file types are Pictures, Audio and Videos.
Lossless Compression uses 4 file types which are RAW, BMP, GIF, and PNG.
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- FlashCards sobre homework, criado por Tsvetelin Tsvetkov em 03-03-2022.
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- Tsvetelin Tsvetkov
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