Total Number of Pages: 02
5th Semester Regular Examination 2017-18
BRANCH: : IT
Time: 3 Hours
Max Marks: 100
Answer Question No.1 and 2 which are compulsory and any four from the rest.
The figures in the right hand margin indicate marks.
Answer the following questions: multiple type or dash fill up type
On a monochromatic monitor, the frame buffer is known as...
a) Display file b) Pixmap c) Bitmap d) Refresh buffer
The most commonly used output device in a graphics system is a _____.
The distance from one pixel to the next pixel is called....
a)Resolution b)Dot Pitch c)Pixmap d)ppi
A world co-ordinate area selected for display is called a ________.
The standard aspect ratio for PC is...........
a) 6:5 b) 4:3 c)3:2 d)5:3
In raster scan display, the frame buffer holds...
a)Line drawing commands b)Scanning instructions c)Image Resolution d)
Intensity information Ans: Intensity information
Beam penetration method is usually used in..........
a)LCD b)Raster Scan display c) Random scan display d)DVST
Identify the odd one out. a) Mouse b) Keyboard c) Trackball d) Space ball
The translation distances (dx, dy) is called as a) Translation vector b) Shift
vector c) Both a and b d) Neither a nor b
The process of mapping a world window in world coordinate system to
viewport are called a) Transformation viewing b) Viewport c) Clipping window
d) Screen coordinate system
(2 x 10)
Answer the following questions: Short answer type
What are the drawbacks of DDA line drawing algorithm?
What is scan conversion?
What is the need for Homogeneous co-ordinates in 2D transformations?
Why good graphics programming avoids the use of floating-point operations?
Write the properties of video display devices?
What is antialiasing?
What are the multimedia file formats?
Write the properties of Bezier curve?
What is the aspect ratio of a 12 in X 16 in display?
What is computer animation and what are the steps of animation sequence?
(2 x 10)
Discuss about translation, rotation, scaling, reflection and shear in 2D
Write the working principle of CRT display device with neat sketch diagram?
What do you mean by 2_D viewing transformation pipeline? Derive a
normalization matrix that maps a window specified by co-ordinates (1,1) and
(4,5) onto a viewport specified by co-ordinates (2,4) and (8,10)?
List down the steps to scan-convert a circle using Bresenham‘s algorithm?