Punjab Technical University 2006-5th Sem M.C.A -Computer Graphics - Question Paper

Computer Graphics
MCA-501, fifth Semester (2096)
Time allowed: three Hours Max Marks: 75
Note: part A is compulsory. Attempt any nine ques. from part B (marks five each)

Section A
1.

i. Discuss the working principal of mouse.
ii. What is digitizer?
iii. What is the difference ranging from impact and non-impact printers?
iv. How are the characters formed on an ink jet printer?
v. What is LCD display
vi. What is a pixel?
vii. What is meant by resolution of display?
viii. What is Graphic workstation?
ix. Write an algorithm for Flood Fill.
x. What are various text attributes?
xi. Why is image scanner used?
xii. Compute resolution of 2x2 inch image that has512x512 pixles.
xiii. What is persistence?
xiv. How does basis Scan Line method determine which surface are hidden?
xv. What are 3 major adverse side effects of Scan conversion?

part B
2. Write a short note on a. Keyboard.
b. Joystick.
3. explain the working of CRT.
4. What is the difference ranging from raster scan and random scan displays?
5. explain DDA algorithm for line drawing.
6. discuss Midpoint circle algorithm
7. Write down the procedure for Boundary Fill algorithm.
8. What can be procedures for increasing the width of a line?
9. explain the subsequent basic transformations in two dimension: a. Rotation
b. scaling
10. discuss the procedure for Sutherland-Hodgeman polygon clipping.
11. explain z-buffer method for detecting visible surface.
12. Compare Constant Integrity method and Gouraud shading method of surface shading.
13. Write a procedure for establishing polygon tables for any input set of data points defining an object.

Earning:   Approval pending.