My best friend had braces and now her face structure is quite different and she looks really good after braces.
Computer graphics are pictures and movies created using computers - usually referring to image data created by a computer specifically with help from specialized graphical hardware and software. It is a vast and recent area in computer science.
Computer graphics is something which deals with your pixels; and more specifically, we can say that it is basically the pictorial representation of your logical actions that you have told the computer to perform.