Difference between Vector scan or Random scan and Raster scan display


S. No. Vector scan or Random scan display Raster scan display
1 It can only draw lines and characters It can draw areas filled with colors.
2 Scanning is done between the end points Scanning is done one line at a time from top to bottom and left to right.
3 For a complex image a vector scan display may flicker Even for a complex image a raster scan display does not flicker
4 Scan is not converted to pixels Scan is converted to pixels.
5 Video Controller is not required. Video Controller is required.
6 Is costlier Is cheaper


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