17.1 INTRODUCTION

In early computers, display was only text. When IBM compatible PCs were introduced, a hardware known as display adapter (board) was responsible for the display of text as well as graphics. In earlier days, CGA adapters were used. Later on SVGA adapters became popular. Turbo C++ provided excellent graphics programming environment. As of today higher versions of windows OS like vista and windows 7 refuse to display full screen graphics. The programs developed in this chapter will run on any versions of Windows OS up to XP.

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