INTRODUCTION
DISCUSSION ON : Video, Display Devices, CRT, LCD display devices, Raster-Scan and Random-Scan Systems, Graphics , Monitors and Workstations, Input devices, keyboard, mouse, trackball, data glove, scanners and Hard Copy Devices, Graphics Software. COMPUTER GRAPHICS * Computer graphics refers to the creation, storage and manipulation of pictures and drawings using a digital computer. * A major application of computer graphics is designing, particularly engineering and architectural systems. Graphic hardware can be divided into three major categories of devices: (1) I nput devices with which the user interacts to generate necessary instruction or data for creating graphics (2) Display systems where the graphics are rendered on the monitor screen (3) Hardcopy devices or printers through which the tangible graphics output is produced. Based on the logical interaction types the input devices can be broadly classified as ...