level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| What is compression? | Compression reduces the size of a file so it takes up less space |
| Do smaller files travel quicker over the internet? | Yes |
| How many types of compression are there? | Two |
| What are the types of compression | Lossy and Lossless |
| Which type of compression removes data permanently? | Lossy |
| Which type of compression removes data temporarily? | Lossless |
| True or False: Does lossy compression make the quality of the picture worse? | True |
| What is Lossy? | Lossy works by removing data forever from the file so it can reduce the size of a file |
| What is Lossless? | Lossless works by temporarily removing data to compress the file |
| True or False: When a lossless file is opened will it go back to its original state? | True |