Computer graphics is an art of drawing pictures on computer screens with the help of programming. It involves computations, creation, and manipulation of data.
In other words, we can say that computer graphics is a rendering tool for the generation and manipulation of images. Cathode Ray Tube. The primary output device in a graphical system is the video monitor. The main element of a video monitor is the Cathode Ray Tube (CRT), shown in the following illustration. The operation of CRT is very simple −.
In other words, we can say that computer graphics is a rendering tool for the generation and manipulation of images. Cathode Ray TubeThe primary output device in a graphical system is the video monitor.