Computer graphics UE Past Papers Questions.

Attempt the following questions as applied to the raster systems

• Find the number of colors that can be produced by a system with 12 bits per pixel
• Consider systems with resolutions of 640 X 480. What is the minimum size of frame nbuffer (in bytes) required if the system have to store 24 bits per pixel?

Answer / Solution

1. What are output primitives?
2. With an aid of illustration show how the output primitives can be useful in computer graphics.

Answer / Solution

Give the meaning and uses of the following

• modeling coordinates
• world coordinates
• normalized coordinates

Answer / Solution

What is clipping ?

With an aid of a diagram / illustration, describe three different types of clipping.

Answer / Solution

___ allows screen postions to be selected with the touch of a finger

• touch panels
• image scanner
• light pen
• mouse

Answer / Solution