I would like to know ,Is result of Lossless compression on data produces bit for bit perfect match with original data ,if so then what use of having such compression.Is it really useful to use Lossless compression??
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I would like to know ,Is result of Lossless compression on data produces bit for bit perfect match with original data ,if so then what use of having such compression.Is it really useful to use Lossless compression??
Yes, lossless means just that.
For example, ZIP compression of files is expected to restore the original file — and it does.
And of course, we know that files are ZIPPED to reduce their size in full confidence of being able to restore the original.