Reg No.:

060001T367122001 Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Fifth Semester B.Tech Degree Regular and Supplementary Examination December 2020

Max. Marks: 100

1 a)
b)
2 ஐ
b)
3 a)
b)
4 2)
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5 a)
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6 a)
b)

Course Code: IT367
Course Name: COMPUTER GRAPHICS AND MULTIMEDIA
PARTA
Answer any two full questions, each carries 15 marks.
Explain the basic working of raster and random scan display systems.
Explain major steps of data compression in multimedia systems.
Explain Mid-point circle drawing algorithm and draw a circle with centre (3,3)
and its radius 5.
Compare source coding and entropy coding in multimedia.
Differentiate Boundary fill algorithm and flood fill algorithm.
Explain different types of MPEG frames/image coding for processing and
audio encoding.
PART ‏تا‎
‎Answer any two full questions, each carries 15 marks.

Explain the working principle of LCD.
Consider the square A(1,0), B(0,0), C(0,1), D(1,1). Rotate the square ABCD by
45 degree clockwise about fixed point A(1,0).(hint-, sin 45= cos 45= ¥2/2)).
Write composite Transformation Matrix and draw resulting figure.
Explain OLED and AMOLED.
What is a shearing transformation? Give the transformation matrices for x-
direction and y-direction shear.
How E-Paper displays works?
A triangle is defined by matrix

2 4 4

2 2 4

Find the transformed coordinates after the following transformation
(1) 90൦ rotation about origin.

(2) Shearing along x axis by 1 unit

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Duration: 3 Hours

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