1
Q
Why do we compress data?
A
When transmitting files, storing very large files or storing a large number of files, we need to make it smaller.
2
Q
What is Lossy compression?
A
Some of the data is removed to make the file smaller. Algorithms removed data that is least likely to be noticed. The original file cannot be restored from the compressed version.
3
Q
What is lossless compression?
A
Encode repeating data, The original file can be restored. Worse compression
4
Q
State what is meant by compression
A
Reduce the size of the file
Computer Science
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