The phenomenon of having a continuous glow of beam on the screen even after it is removed is called ?

A line connecting the points (1,1) and (5,3) is to be drawn, using DDA algorithm.Find the value of x and y increments

• [A] x-increments = 1; y-increments =1
• [B] x-increments = 0.5; y-increments =1
• [C] x-increments = 1; y-increments =0.5
• [D] None of above

which display is best suited for CAD systems ?

• [A] A CRT with vector refresh monitor
• [B] A CRT with raster scan monitor
• [C] Plasma panal display
• [D] LED display

The perspective anomaly in which the object behind the center of projection is projected upside down and backward onto the view plane is called ?

• [A] Perspective foreshortening
• [B] Vanishing view
• [C] View Confusion
• [D] Topological distortion

All the following hidden surface algorithm employ image space approach except ?

• [A] Back face method
• [B] Depth buffer method
• [C] Scan line algorithm
• [D] Depth sort method

Which do represent transformed coordinate of any vertex of the triangle [(5,0), (10,5), (15,0)] after scaling it about the point (15,10) by scaling factors Sx = 2 and Sy = 3?