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Computer Graphics

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4th-sem_Computer Graphics.pdf

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Top recurring IOE board exam questions for Computer Graphics with verified mark schemes, formula notation, and recurrence frequency.

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Year-wise & Session-wise Exam Papers

Complete questions from each exam session (Regular & Back exams from 2082 to 2069) for Computer Graphics. Click any session paper to expand.

Showing 280 questions across 24 exam session papers
Institute of Engineering • 2083 Baishakh Board Examination
Q1[4 Marks]Introduction and Application
A raster display system has a resolution of pixels. It uses 24 bits per pixel to store color information. Calculate the total memory required for the frame buffer in MB. If the screen is refreshed at 60 frames per second, what is the data rate (in MB/s) required to refresh the display?
Q2[3 Marks]Introduction and Application
Why OpenGL required? Explain about color commands.
Q3[5 Marks]Raster Graphics and Algorithms
Derive the Bresenham's line algorithm. Digitize a circle with radius and centered at .
Q4[4 Marks]2D and 3D Coordinate Systems and Viewing Transformations
(a) Reflect object about the plane [6] (b) Derive the perspective projection for the case that projection reference point is at origin.
Q5[7 Marks]Curve Modeling and Surface Modelling
Two Bezier curve segments are as follows: first segment, and second segment: . Find the values of and such that the curves join with continuity.
Q6[10 Marks]Visible Surface Determination
Discuss about back face removal algorithm? Write the different between Z-Buffer and A-Buffer method.
Q7[5 Marks]Raster Graphics and Algorithms
(a) Derive the composite matrix for rotation of a point about arbitrary pivot position. [6] (b) Clip the line with and with clip window having diagonal coordinate and using Liang-Barskey line clipping method.
Q8[4 Marks]Introduction and Application
Can we use geometric table to represent a 3D object? If yes explain with example. Also write the conditions to generate error free table.
Q9[4 Marks]Illumination and Surface Rendering Methods
(a) Explain in detail about illumination model and rendering method. Compute the total intensity for each RGB component for given data: Material coefficients: Light intensities: Given: [4+4] (b) Explain in detail about Gouraud shading model with example. Which one is more realistic Gouraud or Phong shading and why?