Do compressed files lose quality?

Related questions

1. What is arithmetic coding in data compression?
2. Is Zip compression lossy or lossless?
3. What is the difference between inflated and deflated?
4. How are files compressed?
5. What is Huffman coding in image compression?
6. How files are compressed?
7. How does deflate compression work?
8. How do I install the latest version of OpenSSL?
9. Is GZIP enabled on my website?
10. Is tar file compressed?

Tags

1. #compression
2. #extract
3. #image
4. #created
5. #original
6. #unzipping
7. #files
8. #change
9. #result
10. #exact
11. #associated
12. #zipping
13. #quality
14. #winzip
15. #fidelity
16. #lossless
17. #duplicates
18. #there