Digital Principles and Systems Design 3rd ND09 CS2202

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Question Paper Code : T3027
B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009
Third Semester
Computer Science and Engineering
CS 2202 - DIGITAL PRINCIPLES AND SYSTEMS DESIGN 
(Common to Information Technology)
(Regulation 2008)

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PART A — (10 × 2 = 20 Marks)

1. Draw the logicdiagram for ((A + B) C)'D using the Boolean expression NAND gates.
2. Perform subtraction using 1’s complement (11010)2– (10000)2.
3. Perform 9’s and 10’s compliment subtraction between 18 and –24.
4. Draw the logic diagram for half adder.
5. What is the difference between decoder and demultiplexer?
6. What is programmable logic array? How does it differ from ROM?
7. Write down the difference between sequential and combinational circuits.
8. What is race around condition?
9. What is meant by lockout condition?
10. What are the steps for design of asynchronous sequential circuit?

PART B — (5 × 16 = 80 Marks)

11.(a) Simplify the following Boolean expression using Quine method :
McCluskey F = ?m (0, 9, 15, 24, 29, 30) + d (8, 11, 31) .(16)
Or
(b) (i) ImplementBooleanexpressionforEXORgateusingNANDand NOR gates. (8)
(ii) Prove that ( AB + C + D )(C ' + D )(C ' + D + E ) = ABC + D . (4) (iii) Using 2’s complement perform (42)10 – (68)10. (4)

12. (a) (i) Explainthegraycodetobinaryconverterwiththenecessary diagram. (10)
(ii) Design a half subtractor circuit. (6)
Or
(b)With neat diagram explain BCDsubtractor using9’sand 10’s complement method.(16)

13. (a) Explainwith necessarydiagrama BCDto 7 segmentdisplaydecoder. (16)
Or
(b) (i) Write the comparison between PROM, PLA, PAL. (6) (ii) DesignaBCDtoexcess-3codeconverterandimplementusing PLA. (10)

14. (a)Design and implementa Mod-5 synchronouscounter using JK flip-flop.
Draw the timing diagram also. (16) Or
(b) (i) Explain the working of master slave JK flip-flop. (10)
(ii) Draw the diagram for a 3 bit ripple counter. (6)

15. (a) (i)Design a comparator. (6)
(ii) Design a non sequentialripple counter which will go throughthe states 3, 4, 5, 7, 8, 9, 10, 3, 4 ..................draw bush diagram also. (10)
Or
(b)(i)Design a parity checker.(6)
(ii)Design a sequential circuit with JK flip-flop.(10)

Data Structure 3rd ND09 CS2201

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Anna University Chennai
Question Paper Code : T3026
B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009
Third Semester
Computer Science and Engineering
CS 2201 — DATA STRUCTURES (Regulation 2008)

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PART A — (10 × 2 = 20 Marks)

1. What is abstract data type?
2. Give any four applications of stack.
3. What is meant by binary search tree?
4. Write the advantages of threaded binary tree.
5. Define B-Tree.
6. What is sentinel?
7. What is primary clustering?
8. What is meant by rehashing?
9. What are articulation points?
10. What is activity-node graph?

PART B — (5 × 16 = 80 Marks)

11.(a)(i) Explain the process of  postfix expression evaluation with an example.(8)
(ii) Write a program to print the elements of a singly linked list.  (8)
Or
(b)(i) Explain with an example the creation of a linked list, insertion and deletion of nodes, and swapping of any two nodes.(10)
(ii) Explain  the process  of conversion  from infix expression  to postfix expression using stack. (6)

12.(a)(i) Explain  the  operations  of insertion  of nodes  into  and  deletion  of nodes from, a binary search tree with code.(10)
(ii)Construct  an  expression  tree  for  the  expression  (a  +  b  *  c)  + ((d * e + 1) * g). Give the outputs when you apply preorder, inorder and postorder traversals.     (6)
Or
(b) Give the analysis of insertion and deletion operations of nodes in binary search tree.(16)

13. (a)    Explain the operations which are done in B-Tree with examples.(16) Or
(b) What is heap order property? Explain the operations which can be done in heap with examples.(16)

14. (a) Briefly explain the three common collision resolution strategies  in open addressing hashing.(16)
Or
(b) Give an account on the following :   
(I) Dynamic equivalence problem.(8)
(ii) Smart union algorithms.(8)

15.(a) Define network flow problem.  Explain the maximum  flow algorithm for the graph given below.(16)
Or
(b)(i) Explain the Kruskal’s algorithm with an example.(10)
(ii) Give a short note on Euler circuits. (6)

Engineering Chemistry I 1st Jan10 CY2111

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B.E/B.TECH DEGREE EXAMINATION, JANUARY 2010
FIRST SEMESTER
CY2111-ENGINEERING CHEMISTRY-I
(REGULATION 2008)

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PART A (10X2=20 MARKS)

1. Calculate the hardness of a water sample containing 2.4 mg of calcium chloride in 500 ml of water?
2. What is Calgon?how does it function in water treatment?
3. Why thermosetting plastics can not be remoulded?.
4. What is the role of Sulphur in the vulcanization of rubber?
5. Compare absorption and adsorption.
6. Mention any four applications of adsorption.
7. Furnish the sequence of reactions in proton cycle nuclear fusion.
8. Give any two advantages of alkaline battery over dry cell.
9. Define refractoriness of a refractory.
10. What are nano materials? Mention any two of their characteristic properties.



PART B-(5 X 16=80)

11)i. How is temporary hardness of water estimated by EDTA method?
ii. What are the requirements of potable water? How will you purify water for drinking purpose?.
Or
12)i.. What are ion exchange resins? How are they useful in removing hardness of water?
ii. What is desalination? With a neat diagram, describe the reverse osmosis method for the desalination of brackish water.

13)i. how are the following polymers prepared?
1. Teflon
2. Polystyrene
3. PET
4. Nylon 6, 6
ii. Explain the mechanism of free radical addition polymerization.
Or
14)i. What is natural rubber? Explain why natural rubber needs vulcanization. How is it carried out?
ii. What are composites? Give the preparation and uses of glass fiber reinforced composites and carbon fiber reinforced composites.

15)i. Compare physisorption and chemisorption.
ii. Adsorption of gases on solids is greatly influenced by temperature,pressure and nature of the adsorbent and adsorbate.justify.
Or
16)i. Describe the role of adsorbents in catalysis with examples.
ii. How is ion exchange adsorption useful in demineralization of water? Explain.

17)i. Explain with a neat diagram the parts and functions of a nuclear reactor.
ii. Write a note on photovoltaic cell.
Or
18)i. Explain the working of hydrogen oxygen fuel cell.
ii. Write a short note on lithium batteries.

19)i. How are alumina and carborundum manufactured?
ii. What are refractories?how are they classified?
Or
20)i. What are fluid and boundary lubrication? Explain.
ii. What are carbon nano tubes? Explain any three of their important applications?

Computer Graphics 7th ND11 CS2401

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
Seventh Semester
Computer Science and Engineering
CS 2401 — COMPUTER GRAPHICS
(Common to Information Technology)
(Regulation 2008)

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PART A — (10 × 2 = 20 marks)

1. Write down any two line attributes.
2. Differentiate window and view port.
3. What are spline curves?
4. Define quadric surfaces.
5. What is animation?
6. Define key frames.
7. What do you mean by shading of objects?
8. What is texture?
9. Define fractals.
10. Differentiate Mandelbrot and Julia sets.



PART B — (5 × 16 = 80 marks)

11. (a) Write down and explain the midpoint circle drawing algorithm. Assume 10 cm as the radius and co-ordinate origin as the centre of the circle. (16 marks)
Or
(b) Explain in detail the Cohen-Sutherland line clipping algorithm with an example. (16 marks)

12. (a) Differentiate parallel and perspective projections and derive their projection matrices.(16 marks)
Or
(b) With suitable examples, explain all 3D transformations. (16 marks)

13. (a) Write notes on RGB and HSV color models. (16 marks)
Or
(b) Discuss the following:
(i) Methods to draw 3D objects. (8)
(ii) Basic OPENGL operations. (8)

14. (a) Explain the following:
(i) Adding texture to faces. (8)
(ii) Adding shadows of objects. (8)
Or
(b) Write down and explain the details to build a camera in a program. (16 marks)

15. (a) Write notes on Peano curves. (16 marks)
Or
(b) Write about random fractals in detail. (16 marks)

Advanced Computer Architecture 6th ND11 CS2354

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
Sixth Semester
Computer Science and Engineering
CS 2354 — ADVANCED COMPUTER ARCHITECTURE
(Regulation 2008)

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PART A — (10 × 2 = 20 marks)

1. What is instruction level parallelism?
2. What are the advantages of loop unrolling?
3. What are the limitations of VLIW?
4. What is the use of branch-target buffer?
5. Distinguish between shared memory multiprocessor and message-passing multiprocessor.
6. Differentiate multi-threading computers from multiprocessor systems
7. Define the terms cache miss and cache hit.
8. What is RAID?
9. What is a multi-core processor?
10. What is a cell processor?



PART B — (5 × 16 = 80 marks)

11. (a) (i) Explain the data and name dependencies with suitable example. (10)
(ii) Discuss about the benefits and limitations of static branch prediction and dynamic branch prediction (6)
Or
(b) Briefly explain how to overcome data hazards with dynamic scheduling using Tomasulas approach.(16)

12. (a) (i) Describe the architecture of Itanium processor with the help of a block diagram. (8)
(ii) Explain how ILP is achieved in EPIC processors (8)
Or
(b) (i) Describe the architectural features of IA64 processor in detail.(8)
(ii) What are the advantages and disadvantages of software-based and hardware-based speculation mechanism? (8)

13. (a) (i) Briefly compare instruction level parallelism with thread-level parallelism. (8)
(ii) Explain the basic architecture of a distributed memory multiprocessor system. (8)
Or
(b) (i) Explain various memory consistency models in detail. (10)
(ii) What is multithreading and what are the advantages of multithreading? (6)

14. (a) What is meant by cache coherence problem? Describe various protocols for cache coherence.(16)
Or
(b) Briefly explain various I/O performance measures. (16)

15. (a) (i) Describe the architecture of typical CMT processor. (8)
(ii) Discuss the design issues for simultaneous multi-threading. (8)
Or

(b) (i) Explain the architectural features of IBM cell processor in detail. (10)
(ii) Briefly compare SMT and CMP architectures. (6)

Embedded Systems 6th ND11 IT2354

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Anna University Chennai
B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
Sixth Semester
Information Technology
IT 2354 — EMBEDDED SYSTEMS
(Common to Computer Science and Engineering)
(Regulation 2008)

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PART A — (10 × 2 = 20 marks)

1. Find the timers clock frequency and its period for 8051. Assuming that XTAL = 11.0592 MHz.
2. What are the challenges in embedded computing system design?
3. What are the stages in an ARM pipeline?
4. When would you prefer to use busy-wait I/O over interrupt-driven I/O?
5. Define thread.
6. What is scheduling policy? Mention the scheduling states of a process.
7. What is the function of locator?
8. Write short notes on in-circuit-emulator.
9. List the levels of CMM.
10. What are the requirements for embedded system design?



PART B — (5 × 16 = 80 marks)

11. (a) Explain the major levels of embedded system design process with an example. (16)
Or
(b) Explain the instruction sets and condition codes of ARM processor with an example for each. (16)

12. (a) Explain the following memory systems :
(i) Two-level cache (5)
(ii) Direct-mapped cache (5)
(iii) Set-associative cache. (6)
Or
(b) Draw a UML sequence diagram for copying characters from an input to an output device using interrupt-driven I/O. The diagram should include the two devices and the two I/O handlers. (16)

13. (a) For the periodic processes given below, find a valid schedule,
(i) Using standard RMS, and
(ii) Adding one unit of overhead for each context switch. (16)
Process CPU time Dead line
P1 2 30
P2 4 40
P3 7 120
P4 5 60
P5 1 15
Or
(b) Explain the following :
(i) Blocking inter-process communication (5)
(ii) Non-blocking inter-process communication (5)
(iii) Shared memory communication. (6)

14. (a) Explain the multi-state systems and function sequences. (16)
Or
(b) Explain the following :
(i) ROM Emulators (8)
(ii) Remote Debuggers. (8)

15. (a) (i) Explain the case study of Audio players. (8)
(ii) Explain the design example of software modem. (8)
Or
(b) Explain the advanced techniques for specification with an example. (16)

Cryptography and Network Security 6th ND12 IT2352

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Anna University Chennai
B.E/B.Tech DEGREE EXAMINATION, NOVEMBER/ Dec 2012,
B.Tech Computer Science / B.Tech Information Technology
6th / 7th semester
IT2352/IT 62 CRYPTOGRAPHY AND NETWORK SECURITY
REGULATION 2008

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Part A

1.What is the difference between a mono alphabetic and a poly alphabetic cipher?
2.What is an avalanche effect?
3.What are the disadvantages of double DES?
4.Define primitive root.
5.What is one-way property?
6.What are the two approaches of digital signatures?
7.What are the different types of MIME?
8.What protocols comprise SSL?
9.What is an Intruder?
10.Give few examples for worms.



Part B

11.a.Explain briefly about Fermats and Eulers theorems.
(or)
b.Explain the following with suitable examples.

12.a.Discuss about DES in detail.
(or)
b.Explain briefly about RSA and discuss its merit.

13.a.Explain briefly about Diffie Hellman key exchange algorithm with its pros and cons.
(or)
b.Describe about Hash functions.

14.a.Write about PGP in detail.
(or)
b.Explain in detail about SET.

15.a.Explain about viruses in detail.
(or)
b.Explain in detail about firewalls.

Mobile Communication 7th ND12 IT2402

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Anna University Chennai
B.E/B.Tech DEGREE EXAMINATION, NOVEMBER/ Dec 2012,
B.Tech Information Technology
IT2402 / IT - 72 Mobile Communication
REGULATION 2008

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PART A

1.Prove that Barker code has good auto correlation.
2.Calculate the channel capacity C, given a bandwidth B as 3100 Hz and number of discrete signals M as 8.
3.What are the three low power states of a bluetooth state?
4.What is Wireless Local Loop?
5.What are the advantages of GPRS?
6.What are the types of handover in GSM?
7.Differentiate types of Care of Address.
8.What is selective retransmission?
9.what is SyncML?
10.List features of WML.



PART B

11.a.Explain clearly the various schemes for Medium Access Control with Time Division Multiple Access.
or
b.i.Compare and contrast SDMA,FDMA, TDMA, CDMA.
ii.Briefly discuss about cellular systems.

12.a.Briefly explain about the system and protocol architecture of 802.11 standard with MAC layer and its management.
or
b.Briefly discuss about system and protocol architecture of 802.11 standard.

13.a.Explain the mobile services, system architecture, localization and calling of GSM in detail.
or
b.i.Discuss in detail about GPRS architecture and data services.
ii.Explain security services of GSM system.

14.a.i.What is mopile IP? Explain agent discovery, registration and encapsulation.
ii.Write brief notes on fast retransmit/fast recovery.
or
b.Discuss in detail Indirect and Snooping TCP and differentiate them.

15.a.Discuss in detail the WAP architecture and Protocol.
or
b.Write short notes on the following:
i."i-mode"
ii.Wireless markup language.

Computer Graphics 7th ND12 CS2401

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Anna University Chennai
B.Tech Computer Science Information Technology/ B.Tech Information Technology
B.E/B.Tech DEGREE EXAMINATION, NOVEMBER/ Dec 2012,
CS2401 COMPUTER GRAPHICS ,
REGULATION 2008

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PART A

1.Write down the shear transformation matrix.
2.Define text clipping.
3.Differentiate oblique and orthogonal projections.
4.Define spline curves.
5.State the difference between CMY and HSV color models.
6.What are key frame systems?
7.What is a shadow?
8.Define texture.
9.List down the properties of piano curves.
10.Write down some of boolean operations on objects.



PART B

11.a.Explain the following
i.Line Drawing algorithm.
ii.Line clipping algorithm.
or
b.With suitable examples, explain the following
i.Rotational transformation.
ii.Curve Clipping Algorithm.

12.a.i.Differentiate parallel and perspective projections.
ii.Write notes on 3D viewing.
or
b.i.With suitable examples, explain the 3D transformations.
ii.Write notes on quadratic surfaces.

13.a.i.Explain RGB color model in detail.
ii.Explain how 3D scenes are drawn.
or
b.i.Discuss the computer animation techniques.
ii.Explain how 3D objects are drawn.

14.a.Differentiate flat and smooth shading models.
or
b.Discuss the methods to draw and add shadow to objects.

15.a.i.Mandelbrot sets.
ii.Julia sets.
or
b.i.Describe the creation of images by iterated functions.
ii.Explain the method for adding surface textures.

Service Oriented Architecture 7th ND12 IT2401

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Anna University Chennai
B.Tech Computer Science Information Technology B.Tech Information Technology
B.E/B.Tech DEGREE EXAMINATION, NOVEMBER/ Dec 2012,
IT 2401 SERVICE ORIENTED ARCHITECTURE ,
REGULATION 2008

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Part A

1.List any four SOA characteristics?
2.What is coarse grained services?
3.What are web services platform elements?
4.Define service layer?
5.What are the component specification in service modelling?
6.Briefly explain about the operations in entity centric?
7.what is marshalling and unmarshalling?
8.What is JAX-RPC? give two benefits.
9.What is ACID transactions?
10.Define WS-policy.



Part B

11.a. Explain in detail about SOA components and how are they interrelate.
or
b. What is distributed Internet architecture and compare it with SOA.

12.a. Describe in detail about messaging with SOAP.
or
b.i. Write short notes on Orchestration and Choreography.
ii. Briefly discuss on application service layer.

13.a. Explain the steps involved in service oriented design in detail.
or
b. Explain the basics of web service description language.

14.a. Describe about JAXB architecture in detail.
or
b. Discuss in about web service interoperability technologies.

15.a. Explain about WS-chreography model.
or
b. Discuss on WS-coordination in detail.

Enterprise Resource Planning 7th ND12 IT2041

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Anna University
B.E/B.Tech DEGREE EXAMINATION,NOVEMBER/DECEMBER 2012,
B.Tech Information Technology  7th semester
IT 2041/IT 705 ENTERPRISE RESOURCE PLANNING

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Part A

1.What is meta data?
2.State any two rules of OLAP.
3.Name the three different approaches available for ERP implementations.
4.Mention the four steps in ERP software selection process.
5.What is a business model?
6.List any four features of SAP R/3.
7.How is marketing related to sales and distribution?
8.Mention the performance indicators of ERP system.
9.What are the salient features of ERP II.
10.How is E-commerce applied to ERP?



Part B

11.a.i. How is Supply Chain Management integrated with Customer Relationship Management?
ii.What is Business process Reengineering? Explain the various steps involved in BPR.
or
b.i. Discuss briefly the architecture of data warehousing and data mining.
ii.What is Reverse Engineering? Explain briefly.

12.a. Explain the various phases iin ERP implementation life cycle. Illustrate with examples.
or
b.i. Discuss the role of technical consultants and functional consultants during ERP implementation.
ii. What are the issues in post ERP implementation phase?

13.a. What are the sub-systems of finance module of an ERP package? Explain the functions of each of these syb-systems.
or
b.With a neat diagram, explain the processes/activities of materials management module of an ERP pakage. How is this module used to improve the performance of an enterprise?

14.a.i.Disuss the software architercture of SAP R/3.
ii.List the salient features of PeopleSoft-ERP product.
or
b.ii.Is it possible to migrate an ERP product from one operating system to another? Discuss briefly.

15.a.i.What is an Enterprise Application Integration? How is it useful to ERP?
ii.Discuss the future scope and directions for Free Open Source Software based ERP system.
or
b.i.Summarize the benefits of Total Quality Management.
ii.How is Information Technology useful to ERP system?

Object Oriented Programming 3rd ND09 CS2203

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Anna University
B.E/B.Tech DEGREE EXAMINATION,NOVEMBER/DECEMBER 2012,
B.E Computer Science Information Technology/B.Tech Information Technology 
CS2203 Object Oriented Programming
REGULATION 2012

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PART-A

1. List any four object oriented programming concepts.
2. What is an abstract class ?
3. What is a copy constructor ?
4. What are the operators that cannot be overloaded ?
5. What are templates ?
6. Illustrate the exception handling mechanism.
7. What are the visibility mode in inheritance ?
8. What is the prototype of a typical pure virtual function ?
9. What are the file stream classes used for creating input and output files ?
10. List out any four containers supported by Standard Template Library ?



PART-B

11. (a) (i)Explain the idea of Classes, Data abstraction and encapsulation. (8)
(ii) Write a C++ program that inputs two numbers and outputs the largest number using class.(8)
(OR)
(b) (i)What are the rules to be followed in function overloading, (4)
(ii) Write a C++ program that takes either two integers or two floating point numbers and outputs the smallest using class friend function and function overloading (12)

12. (a) (i)Explain the various types of constructors (4)
(ii)Write a C++ program that takes the (x,y) coordinates of two points and outputs the distance between them using constructors. (12)
(OR)
(b) Write a C++ program to take two values of time(hr,min,sec) and output their sum using constructor and operator overloading. (16)

13. (a) (i)Write the syntax for member function template. (4)
(ii)Write a C++ program using class templates for finding scalar product for int type vector and float type vector. (12)
(OR)
(b) (i)Explain how rethrowing of an exception is done. (4)
(ii) Write a C++ program that illustrates multiple catch statements. (12)

14. (a) (i)Explain the different forms of inheritance. (4)
(ii)Write a C++ program handling the following details for students and staff using inheritance.
Student details: name,address,percentage_marks.
Staff details :name,address,salary.
Create appropriate base and derived class.Input the details and output them. (12)
(OR)
(b) (i)Explain the need for pure virtual functions. (4)
(ii)Write a C++ program for calculating the area of rectangle and circle using run time polymorphism. (12)

15. (a) (i)Explain any two functions for manipulation file pointers. (4)
(ii)A data file "DATA" contains the name and marks of a set of students.Write a C++ program That reads the contents of the this file into an object,sorts the data in descending order of the marks and writes the result to an output file "OUTPUT". (12)
(OR)
(b) (i)Explain any two sequence containers supported by Standard Template Library. (4)
(ii)Write a C++ Program using lists from STL to input 10 numbers and store them in the list.From the list create two more list one containing even numbers another containing odd numbers.Output all three lists. (12)

Software Testing 7th ND12 IT2031

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Anna University Chennai
B.E/B.Tech DEGREE EXAMINATION,NOVEMBER/DECEMBER 2012,
B.Tech Computer Science Information Technology/B.Tech Information Technology 
IT 2032/702 SOFTWARE TESTING,
REGULATION 2012

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Part A

1.What is test case? what are the information it contains?
2.Differentiate verification and validation.
3.Write the two basic testing strategies used to design test cases.
4.State the need for code functional testing in test case design.
5.Write the workable definition for a software unit and characterize it.
6.Define test harness.
7.What is the purpose of Test Transmitted report and the test log?
8.Write the various approaches to test cost estimation.
9.Differentiate between project monitoring and project controlling.
10.What is software configuration management?



Part B

11.a.i.Explain the various software testing principles.
ii.Define correctness, reliability, integrity, interoperability.
or
b.i.Define defect and write the various origins of defects.
ii.Explain the concepts of defects with the coin problem.

12.a.Explain the concepts of equivalence class partitioning and boundary value analysis.
or
b.Explain the various additional white box test design approaches.

13.a.i.Describe the activities or tasks and responsibilities for developer or tester in support of multilevel testing?
ii.List the tasks that must be performed by the developer or tester during the preparation for unit testing.
or
b.i.Write the importance of security testing and what are the consequences of security breaches, also write the various areas which has to be focused on during security testing.
ii.State the need for integration testing in procedural code.

14.a.Explain the components of test plan.
or
b.i.write any four IEEE recommended test related documents in detail.
ii.Write the various technical skills needed by a test specialist.

15.a.i.Explain the five stop-test criteria that are based on quantitative approach.
or
ii.Narrate about the metrics or parameters to be considered for evaluating the software quality.

Engineering Economics and Financial Accounting 7th MJ2012 MG2452

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Anna University Chennai
B.E/B.Tech DEGREE EXAMINATION, MAY/ JUNE 2012,
B.Tech Computer Science Information Technology /
B.Tech Information Technology
MG 2452/ 52/10177 GE 007 ENGINEERING ECONOMICS
AND FINANCIAL ACCOUNTING
REGULATION 2008

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Part A

1.Define managerial economics.
2.Show the significance of economic analysis in business decisions.
3.Define price elasticity of demand.
4.what is supply?
5.Define a production function.
6.What is short run cost?
7.Mention any two objectives of pricing.
8.What is the role of government in price control?
9.What is a balance sheet?
10.List any two merits of payback period method for evaluating investment decision.



Part B

11.a.Discuss the scope of managerial economics.
or
b.Explain how managerial economics is related to economic, statistics, maths and accounting.

12.a.Discuss any four techniques of demand forecasting with the merits and limitations.
or
b.Explain the various measures of price elasticity of supply with necessary diagrams.

13.a.Explain the nature and managerial uses of production function.
or
b.Discuss briefly about different cost concepts relevant to managerial decisions of planning and control.

14.a.What are the main features of pure competition? how does a firm adjust its policies to a purely competitive situation?
or
b.Explain the method of cost plus pricing and state its limitations. point out the cases where it is suitable.

15.a.Describe the contents of cash flow statement.
or
b.Describe the present value method of raking alternative investment proposals.

Analog and Digital Communication 3rd ND11 CS2204

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
B.E. Computer Science and Engineering
Third Semester
CS2204 - 141304 - ANALOG AND DIGITAL COMMUNICATION
(Regulation 2010)
 


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PART A — (10 ´ 2 = 20 marks)

1. Consider an AM signal ) 2 cos( . ) 2 cos( 5 . 0 ) 2 cos( 2 ) ( t f t f t f t x c m c p p p + = . Find the modulation index used to generate the signal
2. Draw the block diagram of FM signal generator that uses phase modulator in it.
3. Distinguish between power efficiency and spectral efficiency.
4. Find the capacity of a channel having 50 kHz bandwidth and produces SNR of 1023 at the output.
5. A PCM system uses sampling frequency of 16 k. samples/s. Then, find out the maximum frequency of the signal upto which the signal can be perfectly reconstructed.
6. What is IST? What is the reason for it occurance?
7. List the layers presented in ISO–OSI reference model.
8. What is modem?
9. Differentiate TDMA and CDMA.
10. Differentiate multiplexing and multiple access.



PART B — (5 ´ 16 = 80 marks)

11. (a) Write the equation of single tone amplitude modulation. Derive the Fourier transform of the signal and plot the signal in time domain and frequency domain for the modulation index
(i) lesser than unity,
(ii) equal to unity
(iii) greater than unity Also calculate the power of each frequency component
Or
(b) (i) Briefly discuss the method of deriving wideband FM signal. (12)
(ii) State and apply Carsons rule to calculate the bandwidth occupied by a 3kHz message signal frequency modulated with modulation indext = 5. (4)

12. (a) (i) Draw the block diagram of QPSK modulator, demodulator and explain the principle of operation. (8)
(ii) With neat constellation diagram, explain the operation of QAM transmitter. List out its merits over PSK. (8)
Or
(b) (i) Explain the operation of the binary FSK modulator and demodulator with its constellation diagram. (10)
(ii) Brief the carrier recovery with squaring loop. (6)

13. (a) (i) Draw the block diagram of pulse code modulation system and write short notes on each blocks. (8)
(ii) Explain in details on the criterions need to be satisfied in its sampling and quantization blocks. (4+4)
Or
(b) (i) Draw the block diagram of delta modulation system and explain. (6)
(ii) With suitable diagram and example, explain the noise associated with DM. (5)
(iii) Derive the condition on step size to avoid slope overload error. (5)

14. (a) (i) What is CRC? Draw the encoder of the same and explain its operation. (8)
(ii) Write short notes on forward error correction and backward error correction techniques. (8)
Or
(b) Draw the block diagram of modem and explain the operation with the importance of each block in the diagram.

15. (a) (i) List three properties of pseudo-noise signal and explain them with an example. (8)
(ii) With neat block diagram, explain the DS-spread spectrum with coherent BPSK. (8)
Or
(b) (i) With neat diagram, describe the operation of CDMA. (8)
(ii) Compare the features of FDMA, TDMA and CDMA. (8)

Object Oriented Programming 3rd ND11 CS2203

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
Common to B.E. Computer Science and Engineering / B.Tech. – Information Technology
Third Semester
CS2203 - 141303 - OBJECT ORIENTED PROGRAMMING
(Regulation 2010)

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PART A - (10  * 2 = 20 marks)

1. What is the difference between a local variable and a data member?
2. Explain the purpose of a function parameter. What is the difference between a parameter and an argument?
3. Explain the multiple meanings of the operators << and >> in C++ and their precedence.
4. What is a copy constructor?
5. What is a Function templates? Explain.
6. List five common examples of exceptions.
7. Give the use of protected access specifier.
8. Give the difference between virtual function and pure virtual function.
9. List the file-open modes.
10. What are the three standard template library adapters?



PART B - (5 * 16 = 80 marks)

11. (a) Write brief notes on Friend function and show how Modifying a Class private Data With a Friend Function.
Or
(b) Write a C++ program that
(i) calculates and prints the sum of the integers from 1 to 10
(ii) to calculate x raised to the power y.

12. (a) Write a program to overload the stream insertion and stream extraction operators to handle data of a user-defined telephone number class called Phone Number.
Or
(b) (i) Explain + operator overloading with an example. (8)
(ii) Explain type conversion with suitable example. (8)

13. (a) Define a Divide By Zero definition and use it to throw exceptions on attempts to divide by zero.
Or
(b) Write a C++ program to demonstrate function template to print array of different types.

14. (a) Explain different types of inheritances.
Or
(b) Demonstrate run-time polymorphism with an example.

15. (a) Write a C++ program that maintains a banks account information. The program adds new accounts, deletes accounts in a text file. Assume that a file credit.dat has been created and the initial data has been inserted.
Or
(b) Write brief notes on Standard template Library and Standard Library container classes. (16)

Software Engineering 5th ND12 CS2301

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B.E/B.Tech.DEGREE EXAMINATION,NOVEMBER/DECEMBER 2012.
Fifth Semester
Computer Science and Engineering
CS2301- 080230019-SOFTWARE ENGINEERING
(Regulation 2008)

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PART A-(10*2=20 marks)

1. What is the difference between errors and faults?
2. How a software process can be characterized?
3. What is slack time?
4. Highlight the key benefit of Risk management in software engineering?
5. List the characteristics of good conceptual design.
6. What is persistence associated with OO sytems?
7. Mention the difference between producer reuse and consumer reuse.
8. What do you mean by fault identification?
9. What is software reliability?
10. What is regression testing?



PART B-(5*16=80 marks)

11. (a) Discuss in detail the waterfall model for software process. What are the benefits and drawbacks of using this model?
Or
(b) Explain in detail the static and dynamic process modelling techniques.

12. (a) (i) Write a note on COCOMO model for cost estimation. (8 marks)
(ii) Briefly explain the steps involved in risk management. (8 marks)
Or
(b) (i) Briefly explain the characteristics of requirements. (8 marks)
(ii) Draw and explain the data flow diagram for physician visit. Neatly state your assumptions. (8 marks)

13. (a) Explain the how the characteristics of good design contribute to the product quality.
Or
(b) Whether any system can be developed using object –oriented approach?
what are the strengths and weaknesses of OO? Give an example of a system where OO would not be an appropriate development strategy.

14. (a) Discuss in detail the Internal and External documentation?
How can control flow be for an object –oriented program?
Or
(b) Briefly explain the following :
(i) Bottom-up integration (4 marks)
(ii) Top-down integration (4 marks)
(iii) Big-bang integration (4 marks)
(iv) Sandwich integration (4 marks)

15. (a) What are the types of Acceptance Tests? Explain. How will you document the test?
Or
(b) Write a note on the following :
(i) Automated Maintenance Tools (8 marks)
(ii) Software Rejuvenation (8 marks)

Electronic Circuits I 3rd AM10 EC2205

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B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010
Third Semester
Electronics and Communication Engineering
EC2205 - ELECTRONIC CIRCUITS - I
(Regulation 2008)

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PART A — (10 × 2 = 20 Marks)

1. Define stability factor.
2. Calculate the value of feedback resistor (Rs) required to self bias an N-channel JFET with IDSS = 40 mA, Vp = -10 v and VGSQ = -5V.
3. Define Miller's theorem.
4. What is the coupling schemes used in multistage amplifiers?
5. Give the expressions for gain bandwidth product for voltage and current.
6. What do you mean by amplifier rise time?
7. What is cross over distortion?
8. Draw the circuit of Class-D amplifier.
9. Compare the half-wave and full-wave rectifiers.
10. What are the advantages of SMPS?



PART B — (5 × 16 = 80 Marks)

11. (a) (i) Explain the fixed bias method and derive an expression for the stability factor. (Marks 8)
(ii) Explain the voltage divider bias method and derive an expression for the stability factor. (Marks 8)
Or
(b) (i) Explain the circuit which uses a diode to compensate for changes in VBE and in ICO. (Marks 12)
(ii) Discuss the operation of thermistor compensation. (Marks 4)

12. (a) (i) Derive the expressions for the following of a small signal transistor amplifier in terms of the h-parameters
(1) current gain
(2) voltage gain
(3) input impedance
(4) output admittance. (Marks 12)
(ii) Compare CB, CE and CC amplifiers. (Marks 4)
Or
(b) (i) Explain the operation of emitter coupled differential amplifier. (Marks 12)
(ii) Discuss the transfer characteristics of the differential amplifier. (Marks 4)

13. (a) Discuss the low frequency response and the high frequency response of an amplifier. (Marks 16)
Or
(b) Explain the operation of high frequency common source FET amplifier with neat diagram. Derive the expression for (i) voltage gain (ii) input admittance (iii) input capacitance (iv) output admittance. (Marks 16)

14. (a) (i) Explain the operation of the transformer coupled class A audio power amplifier. (Marks 12)
(ii) Explain the terms conversion efficiency and maximum value of efficiency used in audio power amplifiers. (Marks 4)
Or
(b) Explain the operation of the class-B push pull power amplifier with neat diagram and list its advantages. (Marks 16)

15. (a) Derive the expressions for the rectification efficiency, ripple factor, transformer utilization factor, form factor and peak factor of
(i) half wave rectifier
(ii) full wave rectifier. (Marks 16)
Or
(b) Explain the operation of
(i) Voltage multiplier (Marks 8)
(ii) Switched mode power supply. (Marks 8)