This document summarizes the contents of Chapter 1 from the book "Computer Graphics Using OpenGL" by F. Hill. The chapter introduces computer graphics, describing where it is used in fields like art, entertainment and publishing. It outlines some basic elements of pictures created in CG like polylines, text, filled regions and raster images. It also discusses graphics display and input devices, covering line drawing, raster displays, color depth, video monitors, flat panel displays and hard-copy printers.

32. Chapter 1: Introduction Comparison of two raster display system(1024x1280 pixel) Memory=1024*1280 *24 bits =4MB Pellet=2 24 Memory=1024*1280x8 +256*24 bits =1. 3MB