Personal computers are now commonly equipped with dedicated video memory for holding high-resolution bitmaps. Although used for display, bitmaps are not appropriate for most computational tasks, which need a three-dimensional representation of the objects composing the image. It involves computations, creation, and manipulation of data. Computer graphics, production of images on computers for use in any medium. Curves can be broadly classified into three categories − explicit, implicit, and parametric curves. Designers that specialize i… Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Eight bits per pixel specify an image with 256 colour levels; so-called “true color” requires 24 bits per pixel (specifying more than 16 million colours). Professor Emeritus, Department of Computer Science, Union College, Schenectady, New York. Color is a characteristic of human visual perception whereby different wavelengths of light and combinations of wavelengths are perceived with concepts such as white, black, brown, grey, blue, green, red, orange, yellow and purple.Humans can differentiate between about 10 million colors although this varies greatly from person to person. Smoother representations can be provided by Bezier curves, which have the further advantage of requiring less computer memory. The primary defining characteristic of a processor is its make AMD or Intel and its model. Today, computer graphics is a core technology in digital photography, film, video games, cell phone and computer displays, and many specialized applications. Each point has two neighbors except endpoints. Criteria for Effective Graphics . Get exclusive access to content from our 1768 First Edition with your subscription. 1. A graphics card provides high-quality visual display by processing and executing graphical data using advanced graphical techniques, features and functions. It provides tools for producing pictures not only of concrete real world objects but also of abstract, synthetic objects such as mathematical surface in 4D and of data that have no inherent geometry such as survey results. these are rarely important in computer graphics.) Acid Rain Effects on Soil - Tree Growth Leaching N... 4shared - Online Storage and File Sharing Sites, Computer Graphics - Characteristics of Modern Technology, the representation and manipulation of image data by a computer, the various technologies used to create and manipulate images, the sub-field of computer science which studies methods for digitally synthesizing and manipulating visual content, see study of computer graphics. 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