Is JPEG compressed?

Related questions

1. What's the difference between PNG and JPEG?
2. Is JPG or PDF better for printing?
3. What is JPEG image quality?
4. Do JPEG files lose quality?
5. What is the difference JPEG and JPG?
6. What quality should I use for JPEG?
7. What is JPEG compression quality?
8. Which is better JPEG or GIF?
9. What is the highest quality picture format?
10. What picture format is best quality?

Tags

1. #method
2. #information
3. #image
4. #optional
5. #based
6. #compression
7. #there
8. #original
9. #lossy
10. #standard
11. #cannot
12. #restored
13. #transform
14. #discrete
15. #possibly
16. #lossless
17. #quality
18. #affecting
19. #cosine
20. #meaning
21. #usually
22. #defined