|Line based||Dots based|
|Good for printing purpose||Good for on-screen display purpose|
|Adobe Illustrator, Flash||Adobe Photoshop|
|Formats - AI, DWG (Autocad) etc.||Format - JPG, GIF, BMP etc.|
|Advantages - Graphic doesn't pixelated when dimension increases and the size remain small. Can be exported to 3D graphic.||Advantages - Provide details for higher resolution|
|Example- IIUM Logo|
Size of these images is 50 x 50 pixels
They looks identical but...
|Transform into 250 x 250 pixels|
Hope with this simple explanation, you can differentiate between the two.