Showing posts with label Anna University Question Papers. Show all posts
Showing posts with label Anna University Question Papers. Show all posts

Thursday, March 18, 2010

CS 1020 Software Quality Management Question Bank/2 mark Questions,16 mark Questions

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ANNA UNIVERSITY CHENNAI
CS1020 SOFTWARE QUALITY MANAGEMENT IMPORTANT 2 MARKS AND 16 MARKS
SEMESTER VIII/08
DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING
QUESTION BANK

SUBJECT CODE: CS 1020 YEAR : IV
SUBJECT NAME: Software Quality Management SEM : VII

UNIT-1 INTRODUCTION TO SOFTWARE QUALITY
Part (2 marks)
1. What is quality?
2. Define software quality?
3. What are the views of quality?
4. Give the definitions of quality?
5. What is quality as per ISO?
6. What are the reasons for software becomes problematical?
7. Give the traditional waterfall lifecycle model.
8. What is hierarchical model?
9. Give the schematic hierarchical view of software quality.
10. Mention the two hierarchical models.
11. What are the areas addressed by McCall’s model?
12. Mention the criteria of quality defined by McCall’s model?
13. Draw the GE model.
14. How the quality criteria interrelate?
15. What are software metrics?
16. What are the types of software metrics?
17. What are the seven criteria for good metrics?
18. What makes a good metric?
19. Define MTTF as a measure of reliability
20. What re the problems with metrics?
21. Give the relationship between criteria and measurable properties.
22. What are problems highlighted by Gilb with the implementation of methods?
23. What are the attributes of Gilb’s work?
24. List out the Gilb’s attributes with its sub attribute.
25. Define Workability.
26. Define availability.
27. Define adaptability.
28. Define Usability.
29. Mention the Dickson’s classification of reliability criteria.
30. What is GQM model?


PART-B
1. What are the views of quality? Explain in Detail the views of quality. (16)
2. Explain the hierarchical model of Quality. (16)
3. a) Plain in detail the GE Model. (08)
b) Plain the Boehm model. (08) CS1020 SOFTWARE QUALITY MANAGEMENT
4. Explain how the software quality can be measured and the problems associated
with them. (16)
5. Explain the work of Gilb. (16)
6. Explain in detail GQM model. (16)

Unit-II SOFTWARE QUALITY ASSURANCE
Part-A (2 Marks)


1. What are Quality tasks?
2. What is SQA Plan?
3. Define Software quality Assurance (SQA).
4. List out the Teams and Responsibilities.
5. What makes the QA work minimal?
6. What are the factors affecting the SQA effort?
7. List out the seven keys to Leadership.
8. What are the ways of killing the Quality Assurance?
9. What are the Characteristics of Software quality assurance?
10. List out the elements of Documentation.
11. What is SRS?
12. What is SDD?
13. What are the steps in Document Distribution?
14. Draw the Documents Documentation plan worksheet.
15. Give the Reviewing description template.
16. What are action Items?
17. List out the special responsibilities of Technical Review Process.
18. What is software inspection?
19. What is walkthrough?
20. What is audit process?
21. Write short notes on Document verification.

Part-B

1. Explain in detail the Quality tasks and responsibilities. (16)
2. Explain in detail about the Documentation. (16)
3. Explain the Procedural description template and Action items (16)
4. Explain in detail the CMM Compatibility of Reviews and audits. (16)
5. Explain the management review process. (16)
6. Explain the technical review process. (16)
7. Explain the types of reviews. (16)
8. Explain the software inspection process. (16)
9. a) Explain walkthrough process. (8)
b) Explain the Audit process. (8)
10. a) Explain the Document verification and validation. (8)
b) Explain the factors affecting the SQA effort. (8)






Unit- III QUALITY CONTROL AND RELIABILITY CS1020 SOFTWARE QUALITY MANAGEMENT

Part A (2 Marks)

1. What are the Ishikawa’s basic tools in software development?
2. What is Fish Bone diagram?
3. Draw the Cause and effect diagram of Design Inspection.
4. What are CASE tools?
5. Define error detection efficiency.
6. Define Defect removal efficiency.
7. Define TDCE and PCE
8. What is Defect Injection
9. What are the activities associated with Defect injection and Removal.
10. Write short notes on Defect Prevention process.
11. What are reliability models?
12. What is Rayleigh mole?
13. Define CDF and PDF in Rayleigh model.
14. What are reliability growth models?
15. What are the classes of Reliability Growth models?
16. List out the Reliability Growth models.
17. Define Jelinski Moranda model.
18. Define LittleWood model
19. Define Goel Okumoto imperfect debugging model.
20. Define Goel Okumoto Nonhomogeneous Poison Process model(NHPP)
21. Define Musa-Okumoto Logarithmic Poison Execution Time model.
22. Define The Delayed S and Inflection S.

Part-B

1. Explain in Detail about the Ishikawa’s basic tools in software development (16)

2. a) Explain in detail about the CASE tools. (8)
b) Explain the Defect Prevention Process. (8)
3. Explain the Defect removal Effectiveness. (16)
4. Explain the Reliability models. (16)
5. Explain in detail about the Rayleigh model. (16)
6. Explain Reliability growth model for quality assessment (16)

Unit-IV QUALITY MANAGEMENT SYSTEM
Part-A (2 marks)


1. What is QMS?
2. Define TQM
3. What is QIP?
4. What are the elements of QMS?
5. What is statistical process control?
6. List out the procedures in a QMS.
7. Mention the SPC techniques and its purposes.
8. Write short notes on principles of Rayleigh model framework
9. Compare the Scenarios of Inspection Effort / Defect Rate.
10. What are the activities of Reliability growth models?
11. What are the key metrics and models? CS1020 SOFTWARE QUALITY MANAGEMENT
12. Define Lines of Code
13. Define Halstead’s Software Science.
14. Define Cyclomatic Complexity.
15. Write short notes on Syntactic constructs.
16. Write short notes on Structure metrics.
17. What is customer satisfaction analysis?
18. What are the survey methods of Customer satisfaction?
19. Write down the advantages and disadvantages of survey methods


Part- B
1. Explain in detail the elements of QMS. (16)
2. Explain the Rayleigh model framework. (16)
3. Explain the Reliability Growth models. (16)
4. Explain the complexity metrics and its models (16)
5. Explain Lines of Code and Halstead’s Software Science. (16)
6. Explain in detail the Cyclomatic Complexity (16)
7. a)Explain Syntactic constructs (8)
b) Briefly explain structure metrics. (8)
8. Explain in detail the Customer satisfaction surveys / analysis. (16)

Unit – V QUALITY STANDARDS
Part-A (2 Mark Question)

1. What are the needs for standards?
2. What are the fundamental principles of ISO 9001 standard
3. List out the ISO 9000 series of quality management standards.
4. Mention some of the clauses of ISO9001 standard.
5. What are the three levels of Document control clause?
6. Write short notes on “Seeking Accreditation”
7. Give the structure of ISO9000 – 3 standards
8. What are the key areas of guidance given by ISO 9000-3 standard?
9. What are the requirements of ISO9001?
10. What is the impact of ISO9000
11. What is CMM? Or write short notes on CMM.
12. What are the five levels of SEI CMM?
13. What are the five stages of CMM
14. What is CMMI?
15. Write short notes on Six Sigma concepts.

Part- B

1. Discuss in detail about the needs for standards (16)
2. Explain the ISO9000 series standard (16)
3. Explain the ISO9000-3 standard for software development. (16)
4. Explain in detail the CMM Model (16)
5. Explain the CMMI Model (16)
6. Explain the Six Sigma Concepts. (16)

CS 1020 Software Quality Management Question Bank/2 mark Questions,16 mark Questions

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ANNA UNIVERSITY CHENNAI
CS1020 SOFTWARE QUALITY MANAGEMENT IMPORTANT 2 MARKS AND 16 MARKS
SEMESTER VIII/08
DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING
QUESTION BANK

SUBJECT CODE: CS 1020 YEAR : IV
SUBJECT NAME: Software Quality Management SEM : VII

UNIT-1 INTRODUCTION TO SOFTWARE QUALITY
Part (2 marks)
1. What is quality?
2. Define software quality?
3. What are the views of quality?
4. Give the definitions of quality?
5. What is quality as per ISO?
6. What are the reasons for software becomes problematical?
7. Give the traditional waterfall lifecycle model.
8. What is hierarchical model?
9. Give the schematic hierarchical view of software quality.
10. Mention the two hierarchical models.
11. What are the areas addressed by McCall’s model?
12. Mention the criteria of quality defined by McCall’s model?
13. Draw the GE model.
14. How the quality criteria interrelate?
15. What are software metrics?
16. What are the types of software metrics?
17. What are the seven criteria for good metrics?
18. What makes a good metric?
19. Define MTTF as a measure of reliability
20. What re the problems with metrics?
21. Give the relationship between criteria and measurable properties.
22. What are problems highlighted by Gilb with the implementation of methods?
23. What are the attributes of Gilb’s work?
24. List out the Gilb’s attributes with its sub attribute.
25. Define Workability.
26. Define availability.
27. Define adaptability.
28. Define Usability.
29. Mention the Dickson’s classification of reliability criteria.
30. What is GQM model?


PART-B
1. What are the views of quality? Explain in Detail the views of quality. (16)
2. Explain the hierarchical model of Quality. (16)
3. a) Plain in detail the GE Model. (08)
b) Plain the Boehm model. (08) CS1020 SOFTWARE QUALITY MANAGEMENT
4. Explain how the software quality can be measured and the problems associated
with them. (16)
5. Explain the work of Gilb. (16)
6. Explain in detail GQM model. (16)

Unit-II SOFTWARE QUALITY ASSURANCE
Part-A (2 Marks)


1. What are Quality tasks?
2. What is SQA Plan?
3. Define Software quality Assurance (SQA).
4. List out the Teams and Responsibilities.
5. What makes the QA work minimal?
6. What are the factors affecting the SQA effort?
7. List out the seven keys to Leadership.
8. What are the ways of killing the Quality Assurance?
9. What are the Characteristics of Software quality assurance?
10. List out the elements of Documentation.
11. What is SRS?
12. What is SDD?
13. What are the steps in Document Distribution?
14. Draw the Documents Documentation plan worksheet.
15. Give the Reviewing description template.
16. What are action Items?
17. List out the special responsibilities of Technical Review Process.
18. What is software inspection?
19. What is walkthrough?
20. What is audit process?
21. Write short notes on Document verification.

Part-B

1. Explain in detail the Quality tasks and responsibilities. (16)
2. Explain in detail about the Documentation. (16)
3. Explain the Procedural description template and Action items (16)
4. Explain in detail the CMM Compatibility of Reviews and audits. (16)
5. Explain the management review process. (16)
6. Explain the technical review process. (16)
7. Explain the types of reviews. (16)
8. Explain the software inspection process. (16)
9. a) Explain walkthrough process. (8)
b) Explain the Audit process. (8)
10. a) Explain the Document verification and validation. (8)
b) Explain the factors affecting the SQA effort. (8)






Unit- III QUALITY CONTROL AND RELIABILITY CS1020 SOFTWARE QUALITY MANAGEMENT

Part A (2 Marks)

1. What are the Ishikawa’s basic tools in software development?
2. What is Fish Bone diagram?
3. Draw the Cause and effect diagram of Design Inspection.
4. What are CASE tools?
5. Define error detection efficiency.
6. Define Defect removal efficiency.
7. Define TDCE and PCE
8. What is Defect Injection
9. What are the activities associated with Defect injection and Removal.
10. Write short notes on Defect Prevention process.
11. What are reliability models?
12. What is Rayleigh mole?
13. Define CDF and PDF in Rayleigh model.
14. What are reliability growth models?
15. What are the classes of Reliability Growth models?
16. List out the Reliability Growth models.
17. Define Jelinski Moranda model.
18. Define LittleWood model
19. Define Goel Okumoto imperfect debugging model.
20. Define Goel Okumoto Nonhomogeneous Poison Process model(NHPP)
21. Define Musa-Okumoto Logarithmic Poison Execution Time model.
22. Define The Delayed S and Inflection S.

Part-B

1. Explain in Detail about the Ishikawa’s basic tools in software development (16)

2. a) Explain in detail about the CASE tools. (8)
b) Explain the Defect Prevention Process. (8)
3. Explain the Defect removal Effectiveness. (16)
4. Explain the Reliability models. (16)
5. Explain in detail about the Rayleigh model. (16)
6. Explain Reliability growth model for quality assessment (16)

Unit-IV QUALITY MANAGEMENT SYSTEM
Part-A (2 marks)


1. What is QMS?
2. Define TQM
3. What is QIP?
4. What are the elements of QMS?
5. What is statistical process control?
6. List out the procedures in a QMS.
7. Mention the SPC techniques and its purposes.
8. Write short notes on principles of Rayleigh model framework
9. Compare the Scenarios of Inspection Effort / Defect Rate.
10. What are the activities of Reliability growth models?
11. What are the key metrics and models? CS1020 SOFTWARE QUALITY MANAGEMENT
12. Define Lines of Code
13. Define Halstead’s Software Science.
14. Define Cyclomatic Complexity.
15. Write short notes on Syntactic constructs.
16. Write short notes on Structure metrics.
17. What is customer satisfaction analysis?
18. What are the survey methods of Customer satisfaction?
19. Write down the advantages and disadvantages of survey methods


Part- B
1. Explain in detail the elements of QMS. (16)
2. Explain the Rayleigh model framework. (16)
3. Explain the Reliability Growth models. (16)
4. Explain the complexity metrics and its models (16)
5. Explain Lines of Code and Halstead’s Software Science. (16)
6. Explain in detail the Cyclomatic Complexity (16)
7. a)Explain Syntactic constructs (8)
b) Briefly explain structure metrics. (8)
8. Explain in detail the Customer satisfaction surveys / analysis. (16)

Unit – V QUALITY STANDARDS
Part-A (2 Mark Question)

1. What are the needs for standards?
2. What are the fundamental principles of ISO 9001 standard
3. List out the ISO 9000 series of quality management standards.
4. Mention some of the clauses of ISO9001 standard.
5. What are the three levels of Document control clause?
6. Write short notes on “Seeking Accreditation”
7. Give the structure of ISO9000 – 3 standards
8. What are the key areas of guidance given by ISO 9000-3 standard?
9. What are the requirements of ISO9001?
10. What is the impact of ISO9000
11. What is CMM? Or write short notes on CMM.
12. What are the five levels of SEI CMM?
13. What are the five stages of CMM
14. What is CMMI?
15. Write short notes on Six Sigma concepts.

Part- B

1. Discuss in detail about the needs for standards (16)
2. Explain the ISO9000 series standard (16)
3. Explain the ISO9000-3 standard for software development. (16)
4. Explain in detail the CMM Model (16)
5. Explain the CMMI Model (16)
6. Explain the Six Sigma Concepts. (16)

Sunday, March 14, 2010

2009 Tamil Nadu State B.E Electrical and Electronics ANNA UNIVERSITY - IV SEMESTER EXAMS Question paper

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ANNA UNIVERSITY- COMBATORE
B.E./ B.TECH. DEGREE EXAMINATION - JUNE 2009.
ELECTRICAL & ELECTONICS ENGG. - FOURTH SEMESTER
GENERATION, TRANSMISSION & DISTRIBUTION
PART-A
Answer all questions. (20*2=40)
1. What are the different gases delivered through the statch of a thermal power plant.
2. What are the function of a control rod in a nuclear plant.
3. Which areas are most potential for wind power generation in India.
4. What are the different materials used for power generation using solar power.
5. What are the primary constants of transmission lines.
6. Write the expression for the loop inductance of a single phase two wire system.
7. What is ASCR conductor.
8. State the importance of skin and proximity effects.
9. Define regulation of a transmission line.
10. What is ferranti effect.
11. State the applications of power circle diagram.
12. List the factors affecting the corona loss.
13. What is safety factor of insulator.
14. Compare and contrast: UG cabling and cabling done using transmission lines.
15. What is the purpose of a metallic sheath in a cable.
16. What is grading of cables. state its importance.
17. List the various drawbacks of a radial system.
18. Define concentrated load. How does it act on AC distribution.
19. Why HVDC lines do not require any reactive power compensation.
20. Which is the first HVDC link in the world.
PART-B
Answer any five. (5*12=60)
1. a) Compare the thermal and hydro power generating plants in respect to environmental, load management, reserve capacity, waste disposal aspects. (8) b) Draw the layout of nuclear power plant. (4)
2. a)Derive the inductance of a three phase transmission line with unsymmetrical spacing. (8) b) A three phase overhead transmission line has its conductors arranged at the corners of an equilateral triangle of 2M side. Calculate the capacitance of each line conductor per km. Given the radius of each conductor is 0.65cm. (4)
3. Determine the following for a single circuit transmission line delivering a load of 45MVA at 132KV and 0.8 pf lagging. The constants of the line are A=D=0.99/_20 and B=105/_800 ohm/phase. Determine (1) sending end voltage and power. (2) sending end active and reative power. (3) line losses and the VAR's absorbed by the line. (4) capacity of static compensation equipment at the receiving end to reduce the sending end voltage to 138KV for the same load condition. (5) the unity pf load which can be supplied at the receiving end with 132KV as the line voltages at both ends. (12)
4. a) A 3 unit insulator is fitted with a guard ring . The capacitance of the link pins to metal work and gaurd ring can be assumed to be 20% and 8% of the capacitance of each unit. Determine the voltage across each disc as a percentage of total voltage, string efficiency. (8) b) The capacitance per km of a three phase belted core cable is 0.2micro farad/km between two cores with the third core connected to sheath. Calculate the KVA. The supply voltage is 6.6KV and 30km long. (4)
5. An electric train taking a constant current of 500A moves on a section of line between two stations 10 km apart and maintained at 600 and 590 volt respectively. The track resistance is 0.05ohm/km both go and return. Find the point of minimum potential along the track and current supplied by two substations at that instant. (6) b) Explain the STATCOM and UPFC. (6)
6. a) Derive the expression for capacitance of a three phase double circuit line flat vertical spacing with transposition. (8) b) Write short notes on inductive interface with neighbouring circuits. (4)
7. a) Determine the efficiency and percentage regulation of a three phase 100 km 50 Hz transmission line delivering 20MW at a pf of 0.8 lag 66KV to a balanced load. The conductors are of copper each having resistance 0.1 ohm/km 1.5cm outside dia spaced equilaterally 2m between centres. neglect leakage reactance and use nominal pi method. (8) b) Draw the receiving end circle diagram for short line. (4)
8. a) Derive an expression fr stepped and tapped mains a1/a2 =\l (l1+l2)/l1. (8) b) Explain the problems involved and environmental aspects in EHVAC transmission. (4)

CH 236 — ORGANIC CHEMISTRY Question paper 2006 Anna University B.E ChemicaL

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B.E./B.Tech. DEGREE EXAMINATION, Third Semester
Chemical Engineering
CH 236 — ORGANIC CHEMISTRY
(Common to Textile Technology, Leather Technology and Textile Chemistry)
Time : Three hours Maximum : 100 marks
Answer ALL questions.
PART A — (10 x 2 = 20 marks)

1. Classify carbohydrates.
2. What happens when cellulose is dipped in conc. H2 SO4 in a second, followed by immersion in water?
3. What is the reaction product formed between ethyl magnesium iodide and mercuric chloride?
4. What are the micro organisms against which, sulfonamide acts?
5. What are simple proteins? Give examples.
6. Define Free Acid Value of an oil.
7. Write down the structural formulae of Nicotinic Acid and furil.
8. Define a chromophore with an example.
9. How is tetrahydrothiophene prepared from 1,4 — dibromobutane?
10. Write down four classifications of waxes.


PART B — (5 x 16 = 80 marks)
11. (i) Calculate the Free Acid Value of the given sample of oil from the following data :
Weight of the oil taken = 5 grams
Volume of 0.1 N potassium hydroxide consumed by the oil = 5 ml. (4)
(ii) Which oil has the highest cholesterol lowering factor? What are the commercial names for rice–bran oil and cotton–seed oil? (4)
(iii) Explain the effect of excess phenylhydrazine on glucose. (8)
12. (a) (i) How is catechol converted into Alizarin? (5)
(ii) Describe vat dyeing with an example. (5)
(iii) How is the Leuco base (colourless base) of Malachite Green prepared? (6)
Or
(b) Account for the following :
(i) Need to use alkaline medium in the coupling of a diazonium compound with a phenol to give a diazo dye. (5)
(ii) Colourless quinol on treatment with a mild oxidising agent like ferric chloride getting converted to yellow coloured para benzo quinone. (5)
(iii) Extreme reactivity of para hydrogen atom in Dimethylaniline, the material used widely in the preparation of many dyes. (6)
13. (a) Write down the structural formulae of the reactants and products of the following reactions :
(i) Furtural reacted with sodium acetate in presence of acetic anhydride, followed by treatment with 1 : 1 Hydrochloric Acid. (6)
(ii) Pyridine subjected to sulfonation and the product fused with excess sodium hydroxide. (5)
(iii) Pyrrole subjected to Reimer—Tiemann reaction and the product treated with Hydroxylamine. (5)
Or
(b) How are the following conversions carried out? Write down the formulae of the reactants, products and the conditions of conversion.
(i) Indole to Gramine. (5)
(ii) Pyridine to 2–amino pyridine. (5)
(iii) Pyrrole to 1–acetyl pyrrolidine. (6)
14. (a) How will you prepare methane. isopropyl alcohol 2–butyne and
tert-butyl alcohol from Grignard Reagent? (4 ? 4 = 16)
Or
(b) (i) How are sulphinic acid and isobutene prepared using alkyl magnesium Iodide? (2 ? 4 = 8)
(ii) How are diethylmercury and lead tetraethyl prepared using Grignard Reagent? (2 ? 4 = 8)
15. (a) Summarize the structure of wool. (16)
Or
(b) (i) Distinguish between glucose and fructose. (6)
(ii) Explain colour reactions of proteins. (10)

2009 Tamil Nadu State B.E Electrical and Electronics ANNA UNIVERSITY - IV SEMESTER EXAMS Question paper

0 comments

ANNA UNIVERSITY- COMBATORE
B.E./ B.TECH. DEGREE EXAMINATION - JUNE 2009.
ELECTRICAL & ELECTONICS ENGG. - FOURTH SEMESTER
GENERATION, TRANSMISSION & DISTRIBUTION
PART-A
Answer all questions. (20*2=40)
1. What are the different gases delivered through the statch of a thermal power plant.
2. What are the function of a control rod in a nuclear plant.
3. Which areas are most potential for wind power generation in India.
4. What are the different materials used for power generation using solar power.
5. What are the primary constants of transmission lines.
6. Write the expression for the loop inductance of a single phase two wire system.
7. What is ASCR conductor.
8. State the importance of skin and proximity effects.
9. Define regulation of a transmission line.
10. What is ferranti effect.
11. State the applications of power circle diagram.
12. List the factors affecting the corona loss.
13. What is safety factor of insulator.
14. Compare and contrast: UG cabling and cabling done using transmission lines.
15. What is the purpose of a metallic sheath in a cable.
16. What is grading of cables. state its importance.
17. List the various drawbacks of a radial system.
18. Define concentrated load. How does it act on AC distribution.
19. Why HVDC lines do not require any reactive power compensation.
20. Which is the first HVDC link in the world.
PART-B
Answer any five. (5*12=60)
1. a) Compare the thermal and hydro power generating plants in respect to environmental, load management, reserve capacity, waste disposal aspects. (8) b) Draw the layout of nuclear power plant. (4)
2. a)Derive the inductance of a three phase transmission line with unsymmetrical spacing. (8) b) A three phase overhead transmission line has its conductors arranged at the corners of an equilateral triangle of 2M side. Calculate the capacitance of each line conductor per km. Given the radius of each conductor is 0.65cm. (4)
3. Determine the following for a single circuit transmission line delivering a load of 45MVA at 132KV and 0.8 pf lagging. The constants of the line are A=D=0.99/_20 and B=105/_800 ohm/phase. Determine (1) sending end voltage and power. (2) sending end active and reative power. (3) line losses and the VAR's absorbed by the line. (4) capacity of static compensation equipment at the receiving end to reduce the sending end voltage to 138KV for the same load condition. (5) the unity pf load which can be supplied at the receiving end with 132KV as the line voltages at both ends. (12)
4. a) A 3 unit insulator is fitted with a guard ring . The capacitance of the link pins to metal work and gaurd ring can be assumed to be 20% and 8% of the capacitance of each unit. Determine the voltage across each disc as a percentage of total voltage, string efficiency. (8) b) The capacitance per km of a three phase belted core cable is 0.2micro farad/km between two cores with the third core connected to sheath. Calculate the KVA. The supply voltage is 6.6KV and 30km long. (4)
5. An electric train taking a constant current of 500A moves on a section of line between two stations 10 km apart and maintained at 600 and 590 volt respectively. The track resistance is 0.05ohm/km both go and return. Find the point of minimum potential along the track and current supplied by two substations at that instant. (6) b) Explain the STATCOM and UPFC. (6)
6. a) Derive the expression for capacitance of a three phase double circuit line flat vertical spacing with transposition. (8) b) Write short notes on inductive interface with neighbouring circuits. (4)
7. a) Determine the efficiency and percentage regulation of a three phase 100 km 50 Hz transmission line delivering 20MW at a pf of 0.8 lag 66KV to a balanced load. The conductors are of copper each having resistance 0.1 ohm/km 1.5cm outside dia spaced equilaterally 2m between centres. neglect leakage reactance and use nominal pi method. (8) b) Draw the receiving end circle diagram for short line. (4)
8. a) Derive an expression fr stepped and tapped mains a1/a2 =\l (l1+l2)/l1. (8) b) Explain the problems involved and environmental aspects in EHVAC transmission. (4)

CH 236 — ORGANIC CHEMISTRY Question paper 2006 Anna University B.E ChemicaL

0 comments

B.E./B.Tech. DEGREE EXAMINATION, Third Semester
Chemical Engineering
CH 236 — ORGANIC CHEMISTRY
(Common to Textile Technology, Leather Technology and Textile Chemistry)
Time : Three hours Maximum : 100 marks
Answer ALL questions.
PART A — (10 x 2 = 20 marks)

1. Classify carbohydrates.
2. What happens when cellulose is dipped in conc. H2 SO4 in a second, followed by immersion in water?
3. What is the reaction product formed between ethyl magnesium iodide and mercuric chloride?
4. What are the micro organisms against which, sulfonamide acts?
5. What are simple proteins? Give examples.
6. Define Free Acid Value of an oil.
7. Write down the structural formulae of Nicotinic Acid and furil.
8. Define a chromophore with an example.
9. How is tetrahydrothiophene prepared from 1,4 — dibromobutane?
10. Write down four classifications of waxes.


PART B — (5 x 16 = 80 marks)
11. (i) Calculate the Free Acid Value of the given sample of oil from the following data :
Weight of the oil taken = 5 grams
Volume of 0.1 N potassium hydroxide consumed by the oil = 5 ml. (4)
(ii) Which oil has the highest cholesterol lowering factor? What are the commercial names for rice–bran oil and cotton–seed oil? (4)
(iii) Explain the effect of excess phenylhydrazine on glucose. (8)
12. (a) (i) How is catechol converted into Alizarin? (5)
(ii) Describe vat dyeing with an example. (5)
(iii) How is the Leuco base (colourless base) of Malachite Green prepared? (6)
Or
(b) Account for the following :
(i) Need to use alkaline medium in the coupling of a diazonium compound with a phenol to give a diazo dye. (5)
(ii) Colourless quinol on treatment with a mild oxidising agent like ferric chloride getting converted to yellow coloured para benzo quinone. (5)
(iii) Extreme reactivity of para hydrogen atom in Dimethylaniline, the material used widely in the preparation of many dyes. (6)
13. (a) Write down the structural formulae of the reactants and products of the following reactions :
(i) Furtural reacted with sodium acetate in presence of acetic anhydride, followed by treatment with 1 : 1 Hydrochloric Acid. (6)
(ii) Pyridine subjected to sulfonation and the product fused with excess sodium hydroxide. (5)
(iii) Pyrrole subjected to Reimer—Tiemann reaction and the product treated with Hydroxylamine. (5)
Or
(b) How are the following conversions carried out? Write down the formulae of the reactants, products and the conditions of conversion.
(i) Indole to Gramine. (5)
(ii) Pyridine to 2–amino pyridine. (5)
(iii) Pyrrole to 1–acetyl pyrrolidine. (6)
14. (a) How will you prepare methane. isopropyl alcohol 2–butyne and
tert-butyl alcohol from Grignard Reagent? (4 ? 4 = 16)
Or
(b) (i) How are sulphinic acid and isobutene prepared using alkyl magnesium Iodide? (2 ? 4 = 8)
(ii) How are diethylmercury and lead tetraethyl prepared using Grignard Reagent? (2 ? 4 = 8)
15. (a) Summarize the structure of wool. (16)
Or
(b) (i) Distinguish between glucose and fructose. (6)
(ii) Explain colour reactions of proteins. (10)

2009 Anna University B.E Information Technology IT1401-COMPONENT BASED TECHNOLGY Question paper

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BE/B.TECH DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009
SEVENTH SEMESTER
Information technology
IT1401-COMPONENT BASED TECHNOLOGY
(Regulation 2004)

PART A

1) Why do we use components in all engineering discipline?
2) Define callback?
3) How does one serialize an object?
4) Write a short note on stub and skeleton?
5) Give some of the features supported by POA?
6) How can a server implemented?
7) Draw the binary representation of COM interface?
8) What is aggregation?
9) State connectors and its classification
10) Briefly describe the container and context

PART B
11) (a) Elaborately describe the modules with examples

Or
(b) Describe COM and its characteristics.

12) (a) (1)How does one create , update, Extract JAR file
(2)Explain the structure of RMI
Or
(b) Explain the following :
(1) Bean Properties
(2) Bean info.

13) (a) Explain the components of an ORB Architecture.
Or
(b) How CORBA is related with Java? Give example.

14) (a)Elaborately explain the .NET component.
Or
(b)Explain Dispatch interface used in a COM object.

15) (a) Describe the Black box component framework
Or
(b) Illustrate the importance of the component framework in Component-based software and component –based system.

2009 Anna University B.E Information Technology IT1401-COMPONENT BASED TECHNOLGY Question paper

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BE/B.TECH DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009
SEVENTH SEMESTER
Information technology
IT1401-COMPONENT BASED TECHNOLOGY
(Regulation 2004)

PART A

1) Why do we use components in all engineering discipline?
2) Define callback?
3) How does one serialize an object?
4) Write a short note on stub and skeleton?
5) Give some of the features supported by POA?
6) How can a server implemented?
7) Draw the binary representation of COM interface?
8) What is aggregation?
9) State connectors and its classification
10) Briefly describe the container and context

PART B
11) (a) Elaborately describe the modules with examples

Or
(b) Describe COM and its characteristics.

12) (a) (1)How does one create , update, Extract JAR file
(2)Explain the structure of RMI
Or
(b) Explain the following :
(1) Bean Properties
(2) Bean info.

13) (a) Explain the components of an ORB Architecture.
Or
(b) How CORBA is related with Java? Give example.

14) (a)Elaborately explain the .NET component.
Or
(b)Explain Dispatch interface used in a COM object.

15) (a) Describe the Black box component framework
Or
(b) Illustrate the importance of the component framework in Component-based software and component –based system.

Mc 1703 – software engineering Question paper 2009 Anna University M.C.A Computer Aplications

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M.C.A DEGREE EXAMINATION, MAY/JUNE 2007.
Third Semester
MC 1703 – SOFTWARE ENGINEERING
(Regulation 2005)
Time : Three hours Maximum: 100 marks
Answer ALL questions.
PART A – (10x2 = 20 marks)

1. What is the main criterion for deciding whether or not to use the waterfall
model in software development project?
2. Give the model of extreme programming process.
3. State the reason why software requirements elicitation is difficult.
4. How does state diagram represent the behavior of a computer based system?
5. Differentiate dynamic model and functional models.
6. What is control coupling?
7. What is alpha test and beta test?
8. State the problem that are encountered when top-down integration is chosen.
9. What is base line?
10. What is version control?
PART B — (5 x 16 = 80 marks)

11. (a) (i) Describe the spiral model of software development. (10)
(ii) State the advantage and disadvantages of the evolutionary model of software development. (6)
Or
(b) Discuss the following agile process models
(i) Adaptive software development and its life cycle. (6)
(ii) Dynamic systems development (5)
(iii) Serum. (5)
12. (a) Describe the seven distinct functions of requirements engineering task. (16)

Or

(b) Explain the different models used for analysis. Explain the sub model with an example. (16)
13. (a) Discuss the various steps involved in transform mapping and transaction mapping. (16)

Or

(b) Explain the various design principles that enable an interface
(i) to reduce the users memory load (ii) make the interface consistent. (16)
14. (a) Discuss the various tests to be conducted for system testing. (16)

Or

(b) Describe how unit testing and integration testing is conducted for object oriented software.(16)
15. (a) Write short notes on :
(i) Cost impact of software defect (4)
(ii) defect amplification and removal (4)
(iii) software reliability (4)
(iv) change control. (4)

Or

(b) Write short notes on :

(i) software configuration management (6)

(ii) software quality assurance (5)

(iii) quality standards. (5)

Mc 1703 – software engineering Question paper 2009 Anna University M.C.A Computer Aplications

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M.C.A DEGREE EXAMINATION, MAY/JUNE 2007.
Third Semester
MC 1703 – SOFTWARE ENGINEERING
(Regulation 2005)
Time : Three hours Maximum: 100 marks
Answer ALL questions.
PART A – (10x2 = 20 marks)

1. What is the main criterion for deciding whether or not to use the waterfall
model in software development project?
2. Give the model of extreme programming process.
3. State the reason why software requirements elicitation is difficult.
4. How does state diagram represent the behavior of a computer based system?
5. Differentiate dynamic model and functional models.
6. What is control coupling?
7. What is alpha test and beta test?
8. State the problem that are encountered when top-down integration is chosen.
9. What is base line?
10. What is version control?
PART B — (5 x 16 = 80 marks)

11. (a) (i) Describe the spiral model of software development. (10)
(ii) State the advantage and disadvantages of the evolutionary model of software development. (6)
Or
(b) Discuss the following agile process models
(i) Adaptive software development and its life cycle. (6)
(ii) Dynamic systems development (5)
(iii) Serum. (5)
12. (a) Describe the seven distinct functions of requirements engineering task. (16)

Or

(b) Explain the different models used for analysis. Explain the sub model with an example. (16)
13. (a) Discuss the various steps involved in transform mapping and transaction mapping. (16)

Or

(b) Explain the various design principles that enable an interface
(i) to reduce the users memory load (ii) make the interface consistent. (16)
14. (a) Discuss the various tests to be conducted for system testing. (16)

Or

(b) Describe how unit testing and integration testing is conducted for object oriented software.(16)
15. (a) Write short notes on :
(i) Cost impact of software defect (4)
(ii) defect amplification and removal (4)
(iii) software reliability (4)
(iv) change control. (4)

Or

(b) Write short notes on :

(i) software configuration management (6)

(ii) software quality assurance (5)

(iii) quality standards. (5)

MC 1704 — COMPUTER GRAPHICS AND MULTIMEDIA SYSTEM QUESTION PAPER

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M.C.A DEGREE EXAMINATION, MAY/JUNE 2007.
Third Semester
MC 1704 — COMPUTER GRAPHICS AND MULTIMEDIA SYSTEMS
(Regulation 2005)
Time : Three hours Maximum: 100 marks


Answer ALL questions.
PART A – (10 x 2 = 20 marks)
1. What do you mean by liquid crystal? Give an example device that uses it.
2. Define region code. State its use.
3. Determine a sequence of basic transformations that are equivalent to the x-direction shearing matrix.
4. Which of the algorithms Cohen – Sutherland algorithm or Liang – Barsky algorithm is more efficient? Why?
5. What is CIE Chromaticity diagram?
6. Name some of the standard motions in key frames of animation.
7. Define image synthesis.
8. Explain the common raster display system architecture with a neat sketch.
9. How is sharing of applications performed in a centralized architecture and replicated architecture?
10. State the problems faced in the event – loop based programs method of virtual reality.
PART B — (5 x 16 = 80 marks)

11. (a) Explain the algorithm for drawing a circle and a ellipse. List out theproperties of both. (16)
Or
(b) Elaborate on the following :
(i) Line Clipping (4)
(ii) Text Clipping (4)
(iii) Raster and random scan displays. (8)


12. (a) Device the B-Spline matrix for the standard cubic, uniform, non – rational B-Spline. Show all of the working. (16)

Or

(b) (i) Device the window-to-view port transformation and Elaborate. (4)
(ii) Discuss the various logical classification of input devices (12)


13. (a) (i) Distinguish Parallel projection with that of Perspective projection. (6)
(ii) What are the steps involved in the design of animation sequence? Explain. (10)

Or

(b) Discuss the four Polygon Rendering Methods. (16)
14. (a) State the importance of Computer Image Processing. Explain in detail the Image synthesis and Image Analysis. (16)

Or

(b) (i) What are the importance measures that should convey spatial and temporal content of the scene in visual representation? (8)
(ii) Describe the different techniques used in the animation control mechanisms. (8)


15. (a) How are the higher layers of the Multimedia Communication System divided into different architectural subsystems based on communication perspective? Elaborate on the application subsystem. (16)

Or

(b) What is synchronization in multimedia systems? What are thepresentation requirements related to human perception of synchronization between different media? Explain in detail the Lip synchronization and Elementary Media synchronization requirements. (16)

MC 1704 — COMPUTER GRAPHICS AND MULTIMEDIA SYSTEM QUESTION PAPER

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M.C.A DEGREE EXAMINATION, MAY/JUNE 2007.
Third Semester
MC 1704 — COMPUTER GRAPHICS AND MULTIMEDIA SYSTEMS
(Regulation 2005)
Time : Three hours Maximum: 100 marks


Answer ALL questions.
PART A – (10 x 2 = 20 marks)
1. What do you mean by liquid crystal? Give an example device that uses it.
2. Define region code. State its use.
3. Determine a sequence of basic transformations that are equivalent to the x-direction shearing matrix.
4. Which of the algorithms Cohen – Sutherland algorithm or Liang – Barsky algorithm is more efficient? Why?
5. What is CIE Chromaticity diagram?
6. Name some of the standard motions in key frames of animation.
7. Define image synthesis.
8. Explain the common raster display system architecture with a neat sketch.
9. How is sharing of applications performed in a centralized architecture and replicated architecture?
10. State the problems faced in the event – loop based programs method of virtual reality.
PART B — (5 x 16 = 80 marks)

11. (a) Explain the algorithm for drawing a circle and a ellipse. List out theproperties of both. (16)
Or
(b) Elaborate on the following :
(i) Line Clipping (4)
(ii) Text Clipping (4)
(iii) Raster and random scan displays. (8)


12. (a) Device the B-Spline matrix for the standard cubic, uniform, non – rational B-Spline. Show all of the working. (16)

Or

(b) (i) Device the window-to-view port transformation and Elaborate. (4)
(ii) Discuss the various logical classification of input devices (12)


13. (a) (i) Distinguish Parallel projection with that of Perspective projection. (6)
(ii) What are the steps involved in the design of animation sequence? Explain. (10)

Or

(b) Discuss the four Polygon Rendering Methods. (16)
14. (a) State the importance of Computer Image Processing. Explain in detail the Image synthesis and Image Analysis. (16)

Or

(b) (i) What are the importance measures that should convey spatial and temporal content of the scene in visual representation? (8)
(ii) Describe the different techniques used in the animation control mechanisms. (8)


15. (a) How are the higher layers of the Multimedia Communication System divided into different architectural subsystems based on communication perspective? Elaborate on the application subsystem. (16)

Or

(b) What is synchronization in multimedia systems? What are thepresentation requirements related to human perception of synchronization between different media? Explain in detail the Lip synchronization and Elementary Media synchronization requirements. (16)

IT1001- DISTRIBUTED SYSTEMS QUESTION PAPER

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009.
Seventh Semester
Information Technology
IT1001- DISTRIBUTED SYSTEMS
(Regulation 2004)
Time: Three hours Maximum:100 marks

Answer ALL questions.
PART A- (10 X 2= 20 marks)
1. What is the main objective of distributed systems? What are the challenges?
2. What is the need for IDL?
3. Name the paradigms for distributed programming.
4. What is RAID?
5. What are the requirements for distributed mutual exclusion algorithms?
6. What is null RPC?
7. What are hierarchic locks?
8. What are phantom deadlocks?
9. What are trap door functions?
10. What is a linearizable service?

PART B - (5 X 16= 80 marks)

11. (a) (i) Describe the architectural models of distributed systems.(Marks 8)
(ii) What is marshalling? What are the different approaches of external data representation? Discuss.(Marks 8)
(Or)
(b) (i) Describe the various RPC protocols supporting client server communication.(Marks 10)
(ii) How is IPC implemented in UNIX? Explain.(Marks 6)

12. (a) How does the communication between distributed objects take place? Describe the related issues.(Marks 16)
(Or)
(b) What is name service? What are its goals? How is it implemented? What is directory service?(Marks 16)

13. (a) Describe the architecture for multi threaded servers. Discuss the issues related to thread programming, thread lifetime, thread synchronization, scheduling and implementation.(Marks 16)
(Or)
(b) (i) What is the significance of time in distributed system? What are the ways for synchronizing clocks? Give brief overview of various techniques. (Marks 8)
(ii) What do you understand by logical time and logical clocks? What is lamport's contribution for it? Discuss.(Marks 8)

14. (a) Discuss the various concurrency control protocols.(Marks 16)
(Or)
(b) Describe the various deadlock handling techniques.(Marks 16)

15. (a) Elaborate on various cryptographic algorithms. (Marks 16)
(Or)
(b) Write notes on:
(i) Fault tolerant services.(Marks 8)

(ii) Highly available services.(Marks 8)

IT1001- DISTRIBUTED SYSTEMS QUESTION PAPER

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009.
Seventh Semester
Information Technology
IT1001- DISTRIBUTED SYSTEMS
(Regulation 2004)
Time: Three hours Maximum:100 marks

Answer ALL questions.
PART A- (10 X 2= 20 marks)
1. What is the main objective of distributed systems? What are the challenges?
2. What is the need for IDL?
3. Name the paradigms for distributed programming.
4. What is RAID?
5. What are the requirements for distributed mutual exclusion algorithms?
6. What is null RPC?
7. What are hierarchic locks?
8. What are phantom deadlocks?
9. What are trap door functions?
10. What is a linearizable service?

PART B - (5 X 16= 80 marks)

11. (a) (i) Describe the architectural models of distributed systems.(Marks 8)
(ii) What is marshalling? What are the different approaches of external data representation? Discuss.(Marks 8)
(Or)
(b) (i) Describe the various RPC protocols supporting client server communication.(Marks 10)
(ii) How is IPC implemented in UNIX? Explain.(Marks 6)

12. (a) How does the communication between distributed objects take place? Describe the related issues.(Marks 16)
(Or)
(b) What is name service? What are its goals? How is it implemented? What is directory service?(Marks 16)

13. (a) Describe the architecture for multi threaded servers. Discuss the issues related to thread programming, thread lifetime, thread synchronization, scheduling and implementation.(Marks 16)
(Or)
(b) (i) What is the significance of time in distributed system? What are the ways for synchronizing clocks? Give brief overview of various techniques. (Marks 8)
(ii) What do you understand by logical time and logical clocks? What is lamport's contribution for it? Discuss.(Marks 8)

14. (a) Discuss the various concurrency control protocols.(Marks 16)
(Or)
(b) Describe the various deadlock handling techniques.(Marks 16)

15. (a) Elaborate on various cryptographic algorithms. (Marks 16)
(Or)
(b) Write notes on:
(i) Fault tolerant services.(Marks 8)

(ii) Highly available services.(Marks 8)

Friday, March 12, 2010

EC 1013 - WIRELESS NETWORKS QUESTION PAPER

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B.E./B. Tech DEGREE EXAMINAION, MAY/JUNE 2009
Eigth Semester
(Regulation 2004)
Electronics and Communication Engineering
EC 1013 - WIRELESS NETWORKS
Time : Three hours Maximum: 100 marks
Answer ALL questions

PART A- (10*2=20 marks)

1. What are the advantages of UWB pulse transmission?
2. Write short notes on OOK modulation.
3. What is meant by overlaid cell concept in cell splitting?
4. Mention the circumstances that prefer temporary channel borrowing in cellular networks.
5. Is CDMA an access method or an air-interface? Justify your answer.
6. What is meant by 'capacity on demand' principle in GPRS networks?
7. How does IEEE 802.11a PHY layer differ from that of IEEE 802.11 PHY layer?
8. State the relationship between HYPERLAN-2 and WATM.
9. Mention the role played by L2CAP in Bluetooth networks.
10. What is the difference between TDOA and TOA in GPS?

PART B -- (5*16=80 marks)

11. (a) (i) Explain the multicarrier, multisymbol, multirate OFDM Modulation followed in broadband modems for higher speeds. [ 8]
(ii) Illustrate Frequency Hopping Spread Spectrum and Direct Sequence Spread Spectrum with suitable examples. [8]

Or

(b) (i) Discuss the modulation schemes followed in high speed modems for spread spectrum technology. [8]
(ii) Explain the time diversity techniques of DSSS and the RAKE receiver. [8]

12. (a) Assume that we wanted to deploy an analog FM AMPS system with half band of 15KHz rather than the existing 30KHz. Also assume that in analog FM,the carrier - to - interference ratio (C/I) requirement is inversely proportional to the square of the bandwidth (4 time increase in C/I for dividing the band into two).

(i) What is the required C/I in dB for the 15MHz channel if the required C/I for the 30KHz systems in 18dB? [4]
(ii) Determine the frequency reuse factor N needed for the implementation of this 15KHz per user analog cellular system. [ 4]
(iii) If a service provider had a 12.5MHz band in each direction (up link and downlink) and it would install 30 antenna sites to provide its service, what would be the maximum number of simultaneous users (capacity) that the system could support in all cells? Neglect the channel that are used for control signaling. [ 4]
(iv) If we use the same antenna sites but a 30KHz per channel system with N=7 (instead of the 15KHz) what would be the capacity of the new system? [ 4]

Or

(b) We have installed cellular system with 100 sites, a frequency reuse factor of N=7, and 500 overall two-way channels :
(i) Give the number of channels per cell, total number of channels available to the service provider, and the minimum carrier-to-interference ratio (C/I)of the system in dB [Marks 4]
(ii) To expand the network, we decide to create an underlay-overlay system where the new system uses a frequency reuse factor of K=3. Give the number of cells assigned to inner and outer cells to keep a uniform traffic density over the entire coverage area. [Marks 4]

Answer the above two questions with N=12. [8]

13. (a) (i) Explain the GSM services and the reference architecture of GSM cellular networks. [10]
(ii) Explain the registration mechanism to support a mobile environment. [6]

Or

(b) (i) Explain the IS-95 CDMA forward channel in detail. [6]
(ii) Explain the IS-95 CDMA reverse channel in detail. [ 10]

14. (a) (i) Explain the MAC management sublayer in terms of handoff and power management. [8]
(ii) Explain the reference model and protocol entities of WATM. [8]

Or

(b) (i) Discuss the HIPERLAN-1 PHY and MAC layers in detail. [ 8]
(ii) Discuss the DLC layer of HIPERLAN-2 in detail. [ 8]

15. (a) (i) Explain the frame format in Bluetooth technology. [8]
(ii) Discuss the connection management followed in Bluetooth technology. [8]

Or

(b) (i) Explain the wireless geolocation system architecutre. [Marks 8]
(ii) Discuss the performance measures for geolocation systems. [Marks 8]

EC 1013 - WIRELESS NETWORKS QUESTION PAPER

0 comments

B.E./B. Tech DEGREE EXAMINAION, MAY/JUNE 2009
Eigth Semester
(Regulation 2004)
Electronics and Communication Engineering
EC 1013 - WIRELESS NETWORKS
Time : Three hours Maximum: 100 marks
Answer ALL questions

PART A- (10*2=20 marks)

1. What are the advantages of UWB pulse transmission?
2. Write short notes on OOK modulation.
3. What is meant by overlaid cell concept in cell splitting?
4. Mention the circumstances that prefer temporary channel borrowing in cellular networks.
5. Is CDMA an access method or an air-interface? Justify your answer.
6. What is meant by 'capacity on demand' principle in GPRS networks?
7. How does IEEE 802.11a PHY layer differ from that of IEEE 802.11 PHY layer?
8. State the relationship between HYPERLAN-2 and WATM.
9. Mention the role played by L2CAP in Bluetooth networks.
10. What is the difference between TDOA and TOA in GPS?

PART B -- (5*16=80 marks)

11. (a) (i) Explain the multicarrier, multisymbol, multirate OFDM Modulation followed in broadband modems for higher speeds. [ 8]
(ii) Illustrate Frequency Hopping Spread Spectrum and Direct Sequence Spread Spectrum with suitable examples. [8]

Or

(b) (i) Discuss the modulation schemes followed in high speed modems for spread spectrum technology. [8]
(ii) Explain the time diversity techniques of DSSS and the RAKE receiver. [8]

12. (a) Assume that we wanted to deploy an analog FM AMPS system with half band of 15KHz rather than the existing 30KHz. Also assume that in analog FM,the carrier - to - interference ratio (C/I) requirement is inversely proportional to the square of the bandwidth (4 time increase in C/I for dividing the band into two).

(i) What is the required C/I in dB for the 15MHz channel if the required C/I for the 30KHz systems in 18dB? [4]
(ii) Determine the frequency reuse factor N needed for the implementation of this 15KHz per user analog cellular system. [ 4]
(iii) If a service provider had a 12.5MHz band in each direction (up link and downlink) and it would install 30 antenna sites to provide its service, what would be the maximum number of simultaneous users (capacity) that the system could support in all cells? Neglect the channel that are used for control signaling. [ 4]
(iv) If we use the same antenna sites but a 30KHz per channel system with N=7 (instead of the 15KHz) what would be the capacity of the new system? [ 4]

Or

(b) We have installed cellular system with 100 sites, a frequency reuse factor of N=7, and 500 overall two-way channels :
(i) Give the number of channels per cell, total number of channels available to the service provider, and the minimum carrier-to-interference ratio (C/I)of the system in dB [Marks 4]
(ii) To expand the network, we decide to create an underlay-overlay system where the new system uses a frequency reuse factor of K=3. Give the number of cells assigned to inner and outer cells to keep a uniform traffic density over the entire coverage area. [Marks 4]

Answer the above two questions with N=12. [8]

13. (a) (i) Explain the GSM services and the reference architecture of GSM cellular networks. [10]
(ii) Explain the registration mechanism to support a mobile environment. [6]

Or

(b) (i) Explain the IS-95 CDMA forward channel in detail. [6]
(ii) Explain the IS-95 CDMA reverse channel in detail. [ 10]

14. (a) (i) Explain the MAC management sublayer in terms of handoff and power management. [8]
(ii) Explain the reference model and protocol entities of WATM. [8]

Or

(b) (i) Discuss the HIPERLAN-1 PHY and MAC layers in detail. [ 8]
(ii) Discuss the DLC layer of HIPERLAN-2 in detail. [ 8]

15. (a) (i) Explain the frame format in Bluetooth technology. [8]
(ii) Discuss the connection management followed in Bluetooth technology. [8]

Or

(b) (i) Explain the wireless geolocation system architecutre. [Marks 8]
(ii) Discuss the performance measures for geolocation systems. [Marks 8]

EC1391-TELECOMMUNICATION SYSTEMS QUESTION PAPER

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009.
Fifth Semester
INFORMATION TECHNOLOGY
EC1391-TELECOMMUNICATION SYSTEMS


Regulation 2004 Time:Three hours Maximum: 100Marks
Answer ALL questions PART A-(10x2=20 marks)
1. Why is ground wave propagation not suitable for signal frequencies above 3 MHz?
2. A CW radar operates at a frquency of 10 GHz. If a frequency shift of 1000Hz is produced between the transmitted and received signals, calculate the speed of the moving target.
3. Distinguish between posigrade and retrograde orbits.
4. Define station keeping.
5. Why is modal dispersion less in graded index fibres?
6. Compare the performance of silica and plastic fibres.
7. What do you mean by subscriber loop?
8. How is frequency reuse acvieved in cellular mobile radio systems?
9. What are the functions of MTSO iina cellular mobile environment?
10. Give the applacations of frequency hopping techniques in mobile radio systems.

PART B-(5x16=80 marks)
11. (a) (i) Draw and explain the principle and operation of TWT amplifiers. (8 marks)
(ii) Explain the characteristics and propagation of space waves. (8 marks)

OR

(b) (i) Discuss the principle of operation of Magnetron with a suitable diagram. (8 marks)
(ii) Explain the operation of pulsed radar with a neat diagram. (8 marks)

12. (a) (i) Draw and explain the different types of satellite transponders. (8 marks)
(ii) Discuss the attitude control of satellites. (8 marks)

OR

(b) Draw the genral block diagram of an earth station and briefly explain the different subsystems. (16 marks)

13. (a) (i) Discuss the principle of different sources and detectors used in optical communication systems. (6 marks)
(ii) Explain the operation of optical transmitters and receivers with neat circuit diagrams.
(10 marks)

OR

(b) (i) Write a brief note on fiber optic data communication systems. (8 marks
(ii) Discuss the different types of losses present in an optical fiber system. (4 marks)
(iii) Give a brief note on optical connectors. (4 marks)

14. (a) (i) Discuss the BORSCHT fuctions in telephony with a diagram. (8 marks)
(ii) Explain about the telephony hierarchy. (8 marks)

OR

(b) (i) Draw and explain the operation of a paging system. (8 marks)
(ii) Give a brief account of ISDN interfaces. (4 marks)
(iii) Briefly outline tha applications of data compression in facsimile. (4 marks)

15. (a) (i) Give a brief note on AMPS. (8 marks)
(ii) Why power contorl and security are regarded as major issues in mobile telepphony a nd disucss how they can be optimized? (8 marks)

OR

(b) (i) Enumerate the salient features of IS-95 system. (10 marks)
(ii) Give a brief note on RF channels, time slots and modulation techniques of GSM. (6 marks)

EC1391-TELECOMMUNICATION SYSTEMS QUESTION PAPER

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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009.
Fifth Semester
INFORMATION TECHNOLOGY
EC1391-TELECOMMUNICATION SYSTEMS


Regulation 2004 Time:Three hours Maximum: 100Marks
Answer ALL questions PART A-(10x2=20 marks)
1. Why is ground wave propagation not suitable for signal frequencies above 3 MHz?
2. A CW radar operates at a frquency of 10 GHz. If a frequency shift of 1000Hz is produced between the transmitted and received signals, calculate the speed of the moving target.
3. Distinguish between posigrade and retrograde orbits.
4. Define station keeping.
5. Why is modal dispersion less in graded index fibres?
6. Compare the performance of silica and plastic fibres.
7. What do you mean by subscriber loop?
8. How is frequency reuse acvieved in cellular mobile radio systems?
9. What are the functions of MTSO iina cellular mobile environment?
10. Give the applacations of frequency hopping techniques in mobile radio systems.

PART B-(5x16=80 marks)
11. (a) (i) Draw and explain the principle and operation of TWT amplifiers. (8 marks)
(ii) Explain the characteristics and propagation of space waves. (8 marks)

OR

(b) (i) Discuss the principle of operation of Magnetron with a suitable diagram. (8 marks)
(ii) Explain the operation of pulsed radar with a neat diagram. (8 marks)

12. (a) (i) Draw and explain the different types of satellite transponders. (8 marks)
(ii) Discuss the attitude control of satellites. (8 marks)

OR

(b) Draw the genral block diagram of an earth station and briefly explain the different subsystems. (16 marks)

13. (a) (i) Discuss the principle of different sources and detectors used in optical communication systems. (6 marks)
(ii) Explain the operation of optical transmitters and receivers with neat circuit diagrams.
(10 marks)

OR

(b) (i) Write a brief note on fiber optic data communication systems. (8 marks
(ii) Discuss the different types of losses present in an optical fiber system. (4 marks)
(iii) Give a brief note on optical connectors. (4 marks)

14. (a) (i) Discuss the BORSCHT fuctions in telephony with a diagram. (8 marks)
(ii) Explain about the telephony hierarchy. (8 marks)

OR

(b) (i) Draw and explain the operation of a paging system. (8 marks)
(ii) Give a brief account of ISDN interfaces. (4 marks)
(iii) Briefly outline tha applications of data compression in facsimile. (4 marks)

15. (a) (i) Give a brief note on AMPS. (8 marks)
(ii) Why power contorl and security are regarded as major issues in mobile telepphony a nd disucss how they can be optimized? (8 marks)

OR

(b) (i) Enumerate the salient features of IS-95 system. (10 marks)
(ii) Give a brief note on RF channels, time slots and modulation techniques of GSM. (6 marks)

IT 1352-CRYPTOGRAPHY AND NETWORK SECURITY QUESTION PAPER

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B.E/B.Tech DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009
SEVENTH SEMESTER
COMPUTER SCIENCE AND ENGINEERING
IT 1352-CRYPTOGRAPHY AND NETWORK SECURITY

PART A-(10x2=20 marks)
1. what is cryptanalysis and cryptography?
2. Define threat and attack
3. What is the role of session key in public key schemes?
4. what is a zero point of an elliptic curve?
5. what are the functions used to produce an authendicator?
6. list the properties a digital signature should possess?
7. mention the scenario where kerberos scheme is prefered
8. what are the technical deficiencies in the kerberos version 4 protocol?
9. list the classes of intruders
10. give the type of viruses

PART B-(5x16=80 marks)
11. a) Explain the OSI security architecture alon with the services available(16)

OR

b)(i) given 10bit key k=1010000010. determine K1,K2 where
P10= 3 5 2 7 4 10 1 9 8 6
p8 = 6 3 7 4 8 5 10 9
by using SDES key generation method.(10)
(ii) using the positional value of alphabets, represent them in 5 bit binary. aplly the transformation Ci=Ki EX-OR Pi,Pi=Ci EX-OR Ki where Pi="scheme" Ki="cipher". find the cipher text(6)

12. a)(i)perform encryption/decryption using RSA algorithm for the following:
p=3, q=11, e=7, m=5 (12)
(ii) what attacks are possible on RSA algorithm?(4)

OR

b)(i)given the key "MONARCHY" apply play fair to pain text "FACTIONALISM" to ensure confidentially at the destination, decrypt the ciphertext and establish authenticity(8)
(ii) apply public key encryption to establish confidentiality in the message from A to B. you are given m=67. KU={7,187}, KR={23,187}.(8)

13. a)(i)Apply the MAC on the cryptographic checksum method to authendicate build confidentiality of the message where the authentication is tied to message
M=8376, K1=4892, K2=53624071. (10)
(ii)what are the properties a hash function must satisfy? (6)

OR

b) explain MD5 message digest algorithm, with its logic and compression function.(16)

14. a)explain X.509 authentication servise and its certificates(16)

OR

b)(i)explain the services of PGP(12)
(ii)write down the functions provided by S/MIME(4)

15.a)(i)list the approaches for the intrusion detection(4)
(ii)explain firewall design principles, characteristics, and types of firewalls(12)

OR

b)(i)give the basic techniques which are in use for the password selection strategies(8)
(ii)write down the four generations of antivirus software(8)

IT 1352-CRYPTOGRAPHY AND NETWORK SECURITY QUESTION PAPER

0 comments

B.E/B.Tech DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009
SEVENTH SEMESTER
COMPUTER SCIENCE AND ENGINEERING
IT 1352-CRYPTOGRAPHY AND NETWORK SECURITY

PART A-(10x2=20 marks)
1. what is cryptanalysis and cryptography?
2. Define threat and attack
3. What is the role of session key in public key schemes?
4. what is a zero point of an elliptic curve?
5. what are the functions used to produce an authendicator?
6. list the properties a digital signature should possess?
7. mention the scenario where kerberos scheme is prefered
8. what are the technical deficiencies in the kerberos version 4 protocol?
9. list the classes of intruders
10. give the type of viruses

PART B-(5x16=80 marks)
11. a) Explain the OSI security architecture alon with the services available(16)

OR

b)(i) given 10bit key k=1010000010. determine K1,K2 where
P10= 3 5 2 7 4 10 1 9 8 6
p8 = 6 3 7 4 8 5 10 9
by using SDES key generation method.(10)
(ii) using the positional value of alphabets, represent them in 5 bit binary. aplly the transformation Ci=Ki EX-OR Pi,Pi=Ci EX-OR Ki where Pi="scheme" Ki="cipher". find the cipher text(6)

12. a)(i)perform encryption/decryption using RSA algorithm for the following:
p=3, q=11, e=7, m=5 (12)
(ii) what attacks are possible on RSA algorithm?(4)

OR

b)(i)given the key "MONARCHY" apply play fair to pain text "FACTIONALISM" to ensure confidentially at the destination, decrypt the ciphertext and establish authenticity(8)
(ii) apply public key encryption to establish confidentiality in the message from A to B. you are given m=67. KU={7,187}, KR={23,187}.(8)

13. a)(i)Apply the MAC on the cryptographic checksum method to authendicate build confidentiality of the message where the authentication is tied to message
M=8376, K1=4892, K2=53624071. (10)
(ii)what are the properties a hash function must satisfy? (6)

OR

b) explain MD5 message digest algorithm, with its logic and compression function.(16)

14. a)explain X.509 authentication servise and its certificates(16)

OR

b)(i)explain the services of PGP(12)
(ii)write down the functions provided by S/MIME(4)

15.a)(i)list the approaches for the intrusion detection(4)
(ii)explain firewall design principles, characteristics, and types of firewalls(12)

OR

b)(i)give the basic techniques which are in use for the password selection strategies(8)
(ii)write down the four generations of antivirus software(8)

 

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