Def 1: The creation, storage and
manipulation of images and drawings using a digital computer is called computer
Def 2: Computer graphics are graphics
created using computers and more generally the representation and manipulation of image data by a computer with
help from specialized software and hardware.
contains two components.
Computer hardware contains the graphics
workstations, graphic input devices and graphic output devices.
Computer software contains the Operating systems which controls the basic operations, software packages used for geometric
modeling like solid modeling, wire frame modeling and drafting, Application software which includes the
program for design analysis, several application-specific software packages.
use of computer graphics is in design processes like engineering and
architectural systems. Now almost all the products are computer designed. It is
generally referred as CAD (Computer Aided Design) . It is mainly used in the
design of buildings, automobiles, aircraft, computers, textiles, etc.