PTU MCA 1st Sem Paper 2012 Computer Graphics

PTU MCA 1st Semester Paper 2012 Computer Graphics Punjab Technical University Exam 2012 1st Sem Computer Graphics Test September and March Question Paper Free Download Punjab Technical University Computer Graphics Question Papers 2012 PTU MCA 1st Semester Question Paper 2012 for all students Previous Year old Past Papers of PTU MCA 1st Sem Paper 2012 Computer Graphics Punjab Technical University September 2012 and March 2012 Exam MCA 1st Semester Sample Model Question Papers Free Download PDF

                                                                       Computer Graphics

2. Briefly define the terms resolution and aspect-Ratio.
3. Describe the working of random scan display.
4. How Dot-matrix printers are different from Laser prüiters.
5. Explain the Bresheithem’s algorithm for scan converting a circle.
6. Describe in brief the Character generation techniques.
7. Compare and contrast the perspective aiid parallel projections.
8. Derive the transformation matrices for rotating and scaling a 2-D object.
9. Describe in brief a most efficient algorithm for clipping.
10. Compute the homogeneous transfonuation matrix to rotate a 3-D object by
90 degrees about a point (x,y).
11. Discuss how the world coordinates are transformed to device coordinates.
12. What do you mean by Hiddeii surface removal and why do we need it. Describe in brief any one algorithm for removal of Hidden surthces.
1 3. Write short notes on any two
(a) Light pen.
(b) Drum Plotter.
(c) Flat panel display.

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