# Download PTU MCA 2020 March 5th Sem 90002 Computer Graphics Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) MCA (Master of Computer Application) 2020 March 5th Sem 90002 Computer Graphics Previous Question Paper

1 | M-90002 (S6)-2743

Roll No. Total No. of Pages : 02
Total No. of Questions : 09
MCA (Sem.?5)
COMPUTER GRAPHICS
Subject Code : MCA-501
M.Code : 90002
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTIONS-A, B, C & D contains TWO questions each carrying TEN marks and
students has to attempt any ONE question from each SECTION.
2. SECTION-E is COMPULSORY consisting of TEN questions carrying TWENTY
marks in all.

SECTION-A
1. Explain various input devices.
2. Explain working of a CRT with the help of diagram.
SECTION-B
3. Describe the matrix formulation of 2-D transformations; translation, rotation and scaling.
4. What are viewing transformations? Explain the steps involved in it.
SECTION-C
5. Derive the matrix form for perspective projection transformation using 3-demensional
homogenous representation. With a neat sketch, describe various parameters involved in
the matrix representation.
6. Derive the matrix form for the geometric transformations in 3-D graphics for the
following operations.
A) Translation
B) Scaling
C) Reflection
SECTION-D
7. What are the steps involved in two-pass Z-Buffer shadow algorithm? Explain.
8. Explain and compare Gouraud and Phong surface shading methods.
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1 | M-90002 (S6)-2743

Roll No. Total No. of Pages : 02
Total No. of Questions : 09
MCA (Sem.?5)
COMPUTER GRAPHICS
Subject Code : MCA-501
M.Code : 90002
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTIONS-A, B, C & D contains TWO questions each carrying TEN marks and
students has to attempt any ONE question from each SECTION.
2. SECTION-E is COMPULSORY consisting of TEN questions carrying TWENTY
marks in all.

SECTION-A
1. Explain various input devices.
2. Explain working of a CRT with the help of diagram.
SECTION-B
3. Describe the matrix formulation of 2-D transformations; translation, rotation and scaling.
4. What are viewing transformations? Explain the steps involved in it.
SECTION-C
5. Derive the matrix form for perspective projection transformation using 3-demensional
homogenous representation. With a neat sketch, describe various parameters involved in
the matrix representation.
6. Derive the matrix form for the geometric transformations in 3-D graphics for the
following operations.
A) Translation
B) Scaling
C) Reflection
SECTION-D
7. What are the steps involved in two-pass Z-Buffer shadow algorithm? Explain.
8. Explain and compare Gouraud and Phong surface shading methods.
2 | M-90002 (S6)-2743

SECTION-E
9. Short answer type questions :
A) What is pixel?
B) Explain Random Scan System?
C) What are homogeneous coordinates?
D) What is shear transformation?
E) Write a short note on working of Raster Scan Display systems?
F) Discuss vanishing points?
G) Write about windows and view port?
H) What is text clipping? Discuss.
I) Discuss Ellipse generating algorithms?
J) What is halftoning?

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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This post was last modified on 22 March 2020