Tuesday, February 7, 2023

Dr. A.P.J. Abdul Kalam University MCA IV Sem Computer Graphics & Multimedia [MCA403] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

Fourth Semester Examination, June-2021

Computer Graphics & Multimedia [MCA403]

Time: 3:00 Hrs Max Marks 70

Note: Attempt all questionsry. All question carry equal marks.

Q.1 (a) What is computer graphics? Define its classification and application


(b) Write the steps required to scan-convert a circle using Bresenham’s algorithm.


(a) Differentiate between boundary-fill and flood-fill algorithms.

(b) Explain various multimedia compression standards.

Q.2 (a) What are the steps involved in image preparation used in JPEG image

 compression? Explain them with the help of a diagram.

(b) With the help of a block diagram, explain MPEG audio compression algorithm.

Q.3 (a) Derive window to viewport transformation.

(b)What do you understand by homogeneous coordinates? What are their

applications in computer graphics?


(a) Explain multimedia authoring tools with block diagram?

(b) Differentiate between Gouraud shading and phong shanding.

Q.4 (a) Describe Phong shading model. How is it more accurate than Gourand

shading model?

(b) Show that two-dimensional scale and rotation do not commute that is, scaling

followed by rotation is not equivalent to rotation followed by scaling.

Q.5 List the operating characteristics of the following display technologies:-

(i) Raster refresh systems. (ii) Vector refresh systems.

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