Documents OVERVIEW OF GRAPHICS SYSTEMS

Chapter- 2 OVERVIEW OF GRAPHICS SYSTEMS Overview of Computer Graphics * Graphics output technology may be split into two categories: Non-permanent output to a screen Permanent…

Documents 2- devitraces

REFRESH CATHODE-RAY TUBES Fig.below illustrates the basic operation of a CRT. A beam of electrons (cathode rays), emitted by an electron gun, passes through focusing and…