- Its is dot or a box like thing present on a display or an image.
- Group of pixels form a image.
- Size of a single pixel depends on the resolution.
- Higher the resolution, lower the pixel size.
- Each Pixel is combination of three colors (RGB).
- If there are more pixels, clarity of viewing the small objects is perfect.
Megapixels:
- This is the term mostly listened in mobile cameras, digital cameras and DSLR's.
- Megapixels is nothing but group of pixels more than 9 lakhs.
- 1 Mega Pixels camera have a 10 lakh of pixels approx.
- No of pixels in the image is counted by the multiplying pixels in horizontal and vertical.(ex: 2080 X 1170).
Below is the list of the Mega Pixels and number of resolutions:
| Mega Pixel | Resolution | Pixels |
| 1 MP | 1280 x 720 | 9,21,600 |
| 2 MP | 1600 x 1200 | 19,20,000 |
| 5 MP | 2560 x 1920 | 49,15,200 |
| 8 MP | 3264 x 2468 | 80,55,552 |
| 13 MP | 4128 x 3096 | 127,80,288 |


