CGI define
Computer-generated imagery (CGI) is the application of computer graphics to create or contribute to images in art, printed media, video games, films, television programs, commercials, videos, and simulators.he visual scenes may be dynamic or static, and may be two-dimensional (2D), though the term CGI is most commonly used to refer to 3D computer graphics used for creating scenes or special effects in films and television.
The common gateway interface (CGI) is a standard way for a Web server to pass a Web user's request to an application program and to receive data back to forward to the user.n alternative to a CGI application is Microsoft's Active Server Page (ASP), in which a script embedded in a Web page is executed at the server before the page is sent.