Q. Difference between Lossy data compression and Lossless data compression techniques.
| No. | Lossy data compression |
Lossless data compression |
| 1. | Identify unnecessary or less relevant data and remove it,and also remove repeated information. |
Break file into smaller segments for storage or transmission that get reassembled later same as original file. |
| 2. | It can not be used to compress anything that needs to be reproduced exactly. |
It can be used to compress anything that needs to be reproduced exactly. |
| 3. | Digital data compression. | Analog data compression. |
| 4. | Make loss in some information for lifetime. |
No loss of any information. |
| 5. | Non-reversible in original form of the data. |
Reversible in original form of data. |
| 6. | Greatly increased compression. |
Not better than Lossy compression. |
| 7. | Used when there is no problem in data loss. |
Used when data loss matters. |
| 8. | Example, Audio,Video,Picture compression etc... |
Example, .zip file,7z, .rar file,Software compression etc... |
