it - 602 - kopykitab1. a) what are distributed systems? name two advantages and two disadvantages of...
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IT - 602
B.E. VI Semester
Examination, December 2014
Computer Graphics and Multimedia
Time : Three Hours Maximum Marks : 70
Note: Attempt all questions. With internal choice.
Unit - I
1. Describe the architecture of a raster scan display with a clear block diagram. How it
differ from random scan display. 14
OR
2. Explain the working principles of mouse, keyboard and camera? 14
Unit - II
3. Write Bresenham's line drawing algorithm for slope grater than 1, and also draw the line
between the end points (10, 20) and (18, 30). 14
OR
4. a) Explain DDA algorithm. What are its main disadvantages. 7
b) If a Bezier curve pasies through (2, 1) and (6, 2) and controlled by the points (3, 2) and (5,
0) find the equation of Bezier curve. 7
Unit - III
5. Given a triangle A (10, 10), B (20, 10), C (15, 20) find transformed co-ordinates ofA, B,
C when the triangle is rotated in anticlock wise direction to an angle of 45° about the fixed
points (15, 10). 14
" OR
6. a) Explain phong and ground shading. 7
b) A unite cube is placed at origin with its edges parallel to co-ordinate axes and three of the
edges coinciding the axes. Find perspective projection of this unit cube on th plane z=0 when
it is viewed from the point (2, 3, 5). 7
Unit – IV
7. Describe SCSI and IDE in brief. 14
OR
8. Explain different types of authoring tools. 14
Unit - V
9. a) Discuss the PEG and MPEG file format standard. 7
b) Explain compression ratio and image quality. 7
OR
10. Discuss various multimedia data file format standard in detail. 14
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IT - 601
B.E. VI Semester
Examination, December 2014
Distributed Systems Time : Three Hours
Maximum Marks : 70 Note: i) Attempt all questions.
ii) All questions carry equal marks.
1. a) What are distributed systems? Name two advantages and two disadvantages of distributed
system over centralized ones. Explain in your own words the concept of parallelism
transparency. 7
b) Why is computer clock synchronization necessary? Describe the design requirements for a
system to synchronize the clocks in a distributed system? 7
OR
2. a) Discuss briefly key challenges that one need to address in the design and development of
distributed applications. 7
b) Give a brief note on token based and non token based algorithms in distributed system. 7
3. a) What are agreement protocol? What are agreement and validity objectives of Byzantine
agreement problems? 7
b) What are phantom deadlocks? Explain the algorithm which could detect phantom deadlocks?
7
OR
4. a) Construct a solution to reliable, totally ordered multicast in a synchronous system, using a
reliable multicast and a solution to the consensus problem. 7
b) Explain deadlock avoidance with an example. 7
5. a) Identify main types of security threats that might occur in the interne with an example.
7
b) Write a simple RMI program that demonstrates the in vocation of remote object services. For
ex- when a client sends a message. "Ping", the server responds with "Pong". 7
OR
6. a) Discuss model architecture of distributed file system and its components. 7
b) Discuss techniques for achieving high-performance in distributed file systems?
7. a) How concurrency control can be achieved in distributed transactions? 7
b) What are Fault-tolerant services? Explain briefly. 7
OR
8. Write short note: 14
i) Atomic Commit Protocols ii) Distributed deadlocks.
9. a) What is Election Algorithm? Suppose that two processes detect the demise of the
coordinator simultaneously and both decide to hold an election using the bully algorithm.
What happens? 7
b) Explain briefly: 7
i) APP Problem ii) Deadlock free packet switching
OR
10. a) Write a simple CORBA program that demonstrates the invocation of remote object
services. For example when a client sends a message "Hello", the server responds with
"Hi There". 7
b) Explain wave and traversal algorithms. 7
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RGVP Information Technology 6thSemester Previous Year Question Paper
Publisher : Faculty Notes Author : Panel Of Experts
Type the URL : http://www.kopykitab.com/product/10192
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