Lossy compression: Always results in loss of data, Data is permanently removed from the file, The file can never be returned to an exact copy of the original, When decompressed, the file will be an approximation of the original file, In many cases, the loss of data is not noticeable, Reduces the file size the most, Used to dramatically reduce the size of image and sound files, Lossless compression: There is no loss of data, When decompressed, the file will be identical to the original, Can be used on text files,

Compression

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