| Questions | Answers |
|---|---|
| What is a pixel? | |
| What colour depth is required to show a black and white image? | |
| What is metadata? | |
| How many colours can a 16-bit depth allow? | 65536 256 167777216 |
| What does resolution mean? | |
| What does DPI stand for? | |
| What happens to non-vector images when enlarged? |