Download PTU BMCI 2020 March 3rd Sem 72584 Computer Graphics Question Paper

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Roll No. Total No. of Pages : 02

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BMCI (2014 & Onwards)/Mobile Computing & Internet (Sem. -3)
COMPUTER GRAPHICS
Subject Code : BSBC-602
M.Code : 72584

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

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SECTION-A

1. Answer briefly :
   1. Define Computer graphics.
   2. What are digitizers?
   3. Define RGB color model.
   4. What are area filling techniques?

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   5. What are Cartesian co-ordinates?
   6. Define Geometric transformations.
   7. What is the significance of scaling transformations?
   8. What is shearing? What is its need?
   9. What are the characteristics of 3D graphics?

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   10. What are homogeneous co-ordinates?

SECTION-B

2. Explain how raster scan systems are different from random scan system?
3. Discuss various flood filling techniques.

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4. Define Translation and reflection. How these transformations are performed in 3D graphics?
5. Write Sutherland Hodgeman algorithm for clipping.
6. What are the various graphics display devices? Explain.

SECTION-C

6. What are input devices? Explain any five input devices with their relevant merits and demerits.

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7. What is the need of scan conversion? Write and explain Bresenham’s algorithm for scan converting a line.
8. What is projection? Discuss its significance. Explain how parallel projection is different from perspective projection.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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