Computer Graphics (September – 2013) [IDOL - Old Course | Question Paper]

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B.Sc.IT: Semester – II

[Computer Graphics]

Question Paper (September – 2013) [Old Course]

Time: 3 Hours
Total Marks: 100

N.B.:  (1) All Questions from 1 to 7 are Compulsory.
           (2) Figure To right indicate the marks.

Q.2 Attempt Any Three From The Following: (15 Marks)

(A) What is Frame Buffer? Explain.

(B) Calculate the pixel position along a straight line AB having end points A(5,5) and B(13,19) using Bresenhan’s line drawing algorithm.

(C) Explain Raster Scan Display System.

(D) Explain various Computer Graphics Input Devices.

Q.3 Attempt Any Three From The Following: (15 Marks)

(A) Write a Matrix Representations for 2D Transformation Translation.

(B) What is 2D Rotation Transformation? Explain.

(C) Write short note on Character Generation.

(D) What is 2D? Explain.

Q.4 Attempt Any Three From The Following: (15 Marks)

(A) Write Matrix representations for 3D Transformation Translators.

(B) Explain perspective and Parallel Projection.

(C) Explain 3D Rotations Transformations.

(D) Translate an object ABC with A(1,1), B(3,1) and C(2,3) by 3 units along x-axis and 4 units along y-axis.

Q.5 Attempt Any Three From The Following: (15 Marks)

(A) Explain the function: –

(i) initgraph() (ii) detectgraph() (iii) line()

(B) Write Boundary Fill Algorithm Steps.

(C) Explain Flood – Fill Algorithms.

(D) Write a Polygon Filling Algorithms.

Q.6 Attempt Any Three From The Following: (15 Marks)

(A) Explain Curve Continuity.

(B) Write Z-buffer Algorithms.

(C) What is Visible and Hidden Surfaces?

(D) Explain Bezier Surfaces.

Q.7 Attempt Any Three From The Following: (15 Marks)

(A) What is Rendering? Explain Object Rendering.

(B) What is Shading? Explain Flat Shading.

(C) What is Morphing? Explain.

(D) Explain Phong Shading Methods.

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