Computer graphics is what we believe to be an art of drawing not just pictures but lines and charts etc using computers and with the help of programming. These computer graphics are made up of several pixels. And a pixel is known to be the smallest graphical picture that is represented on the computer screen. Computer graphics has two types; Raster graphics: Raster graphics which is also known as bitmap graphics is a type of digital image that uses very small rectangular pixels or picture elements that are arranged in the form of a grid representing an image. Raster images can represent complex images which is a combination of different colors and gradients. Vector graphics: Vector graphics are computer images that can be created by using a sequence of commands or mathematical statements which place lines and shapes in a 2D or 3D space.