Code No: R42025 NON CONVENTIONAL SOURCES OF ENERGY · PDF fileNON CONVENTIONAL SOURCES OF...

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IV B.Tech II Semester Regular Examinations, April/May - 2014

NON CONVENTIONAL SOURCES OF ENERGY

(Electrical and Electronics Engineering)

Time : 3 hours Max. Marks: 75

Answer any Five Questions

All Questions carry equal marks

*****

1 Explain the following terms:

i) Altitude Angle ii) Incident Angle iii) Zenith Angle

iv) Solar Azimuth Angle v) Hour Angle

[15]

2 a) Explain the principle of conversion of solar energy in to heat. [8]

b) What are the advantages and disadvantages of concentrating collectors over a

flat - plate collectors?

[7]

3 a) Explain with a neat sketch the working of a wind energy systems(WECS) with

main components

[8]

b) What are the advantages of vertical axis machines over horizontal type?

Describe a rotor for relatively low velocity speed

[7]

4 a) Explain Maximum Power point tracking procedure for a Wind System [8]

b) Explain the importance of Buck-Boost converter in PV System

[7]

5 a) What is meant by wet fermentation and dry fermentation? [8]

b) What are the factors which affect the size of the Bio Gas Plants?

[7]

6 a) Define a Geothermal Source. [5]

b) Explain the principle of total flow concept. Compare it with other system

[10]

7

Explain with neat sketches the various methods of Tidal power generation

.What are the limitations of each method

[15]

8 Write Short notes on the Following:

a) Materials used or Biogas generation

b) Fuel cells

c) Solar radiation data

[15]

Code No: R42025 Set No. 1 R10

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*****

1 a) Explain about the Beam and Diffuse radiation [5]

b) Calculate the angle made by the beam radiation with the normal to a flat-plate

collector, pointing due south located in New Delhi (280 38

’N,77

0 17

’ E) at

9 : 00 hour, solar time on December 1. The collector is tilted at angle of 460

with the horizontal.

[10]

2

What are the main components of a flat – plate solar collector, explain the

function of each

[15]

3 a) Explain the basic principle of wind energy conversion? [7]

b) Explain horizontal axis type aerogenerators.

[8]

4 Explain the outcome and different considerations that need to be taken care

while connecting PV cells in Series and Parallel

[15]

5 a) What are the advantages and disadvantages of floating Drum Plant [8]

b) What is a community biogas plant? What are the main problems encountered

in its operation

[7]

6 a) What are the limitations of a flashed steam system? [8]

b) What are the advantages of double flash system?

[7]

7

Explain the closed cycle OTEC System, with its advantages over open cycle

system

[15]

8

Write Short notes on the Following:

a) Main Applications of Biogas

b) Limitation of Wave energy conversion

c) Solar cooling Technique

[15]


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*****

1 a) Define Solar Constant and explain the factors on which it depends. [8]

b) Calculate the Sunset hour angle and day length at a location latitude of 380,on

Feb 18

[7]

2 a) How solar air collectors are classified? What are the main applications of a

Drier?

[8]

b) Explain the different methods of Sun tracking, and why orientation is needed

in concentrating type collectors?

[7]

3

Derive the expression for power developed due to wind

[15]

4

Explain Maximum Power point tracking procedure for a photovoltaic System

[15]

5 a) How biomass conversion takes place [7]

b) How are Gasifiers classified? What is Pyrolysis?

[8]

6 a) Explain Binary cycle system for liquid dominated system [8]

b) What are the advantages and disadvantages of Geothermal energy forms?

[7]

7 a) What are the advantages and limitations of small scale hydro-electric power

generation

[8]

b) What are the main types of OTEC power plants? Explain their working in

Brief?

[7]

8

Write Short notes on the Following:

a) Applications of Gasifiers

b) Direct Energy Conversion

c) Mini-Hydel Power plants w.r.t. OTEC

[15]


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*****

1 a) What are the reasons for variation in solar radiation reaching the earth than

received at the outside of the atmosphere?

[8]

b) What is the difference between a pyrheliometer and a pyranometer?

[7]

2

Enumerate the different types of concentrating type collectors. Explain the

collector used in power plant for generation of Electric energy

[15]

3 a) What are the main considerations in selecting a site for wind generators [8]

b) How are wind energy systems (WECS) classified? Discuss in brief

[7]

4 a) Explain on what factors will the quality of a PV Cell depend? [8]

b) Explain the different Algorithms used in MPPT for a Photo Voltaic System

[7]

5

What is meant by anaerobic digestion? Explain the factors which effect

Biodigestion

[15]

6 a) Classify Geothermal Sources [7]

b) Explain the main types of turbines, which may be used for Geothermal

energy conversion

[8]

7 a) What is the basic principle of ocean thermal energy conversion (OTEC)? [8]

b) Explain the Dolphin type wave power machine

[7]

8 Write Short notes on the Following:

a) Betz Criteria

b) Selection of fuels

c) Combustion characteristics of Biogas.

[15]


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TV ENGINEERING

(Electronics and Communication Engineering)




*****

1 a) With detailed block diagram explain the working of monochrome television

receiver

[8]

b) Explain the differences between Horizontal Scanning and Vertical Scanning

[7]

2 a) Define Total channel bandwidth using vestigial sideband and Draw the

vestigial side band characteristics of TV transmitter and receiver.

[8]

b) Explain the picture signal transmission.

[7]

3 a) Draw the constructional detail and explain the operation of Silicon Diode

Array Vidicon

[8]

b) Explain in detail the CCD Image Sensors

[7]

4 a) Explain the charecteristics and specifications of picture tube [8]

b) Explain the dely line method of separating the U and V signals in a PAL

receiver

[7]

5 a) Describe briefly the alignment procedure and precautions for aligning the RF

tuner of the receiver.

[8]

b) With circuit diagram describe the IF section of a TV receiver. Explain how the

use of a SAW filters simplifies the design of IF amplifiers.

[7]

6 a) Explain about receiver sound system [8]

b) How the Noise cancellation is achieved ?Explain

[7]

7 a) What is the function of a colour killer circuit in the path of chrominance signal

in the receiver

[8]

b) Explain U & V demodulators

[7]

8 a) Explain the differences between AGC,AFC . [8]

b) With neat block diagram explain the essential elements of a satellite

communication system

[7]

Code No: R4204A Set No. 1 R10

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TV ENGINEERING





*****

1 a) With suitable diagrams explain in detail the interlaced scanning procedure [8]

b) What is the procedure involved in generation and Encoding of Colour signals

[7]

2 a) Explain the differences between positive and negative modulation [8]

b) Explain the sound signal transmission.

[7]

3 a) Draw the block diagram of a monochrome television receiver and explain each

block in detail

[8]

b) Draw the block diagram of a colour camera receiver and explain each block in

detail

[7]

4 a) Draw the block diagram of NTSC transmitter and explain the function of each

block.

[8]

b) Explain the sequence of modulation in the PAL colour system and illustrate the

colour burst swing in a PAL system

[7]

5 a) Describe briefly the alignment procedure and precautions for aligning the FM

discriminator circuit of the receiver

[8]

b) Discuss the importance of Synchronization in a TV broadcast

[7]

6 a) Explain the operation of TV Receiver Tuner [8]

b) How the Noise cancellation is achieved ?Explain

[7]

7 a) Burst phase discriminator [8]

b) Explain the principle of operation of Reference oscillator

[7]

8 a) What are the differences between AFC and single ended AFC circuits

,Expalin?

[8]

b) Explain the major differences in DIGITAL TV, Digital Satellite TV, Direct to

Home Satellite TV.

[7]


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TV ENGINEERING





*****

1 a) With suitable diagram explain in detrail about composite video signal [8]

b) Explain The mixing of colours

[7]

2 a) Explain in detail about TV broadcast channels [8]

b) Explain the differences between CCI and ACI in detail.

[7]

3 a) Explain the differences between the camera tubes ,Vidicon and Silicon Diode

Array Vidicon

[8]

b) Draw the constructional detail and explain the operation of Plumbicon camera

tube

[7]

4 a) With neat sketch explain the Monochromatic Picture tube [8]

b) Explain about TV standards

[7]

5 a) Describe the horizontal deflection stage of a TV receiver. How EHT voltage is

generated from this section?

[8]

b) illustrate the formation of the chroma signal for a colour bar pattern after the

color difference signals have been scaled down

[7]

6 a) Explain various digital tuning techniques [8]

b) Explain about VHF and UHF tuners

[7]

7 a) What is the need of AFC ?explain its operation with neat sketch [8]

b) Explain the mixing of colour signals

[7]

8 a) What are the various types of Receiver Antennas ? [8]

b) Mention four special features of Digital TV which cannot be easily

incorporated in analog TV

[7]


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TV ENGINEERING





*****

1 a) .Derive an expression for the bandwidth of a video signal in terms of number

of lines and field frequency

[8]

b) Explain the encoding procedure of colour difference signals

[7]

2 a) Explain the differences between sound signal transmission and picture signal

transmission

[8]

b) Explain the procedure involved in TV signal propagation

[7]

3 a) Draw the constructional detail and explain the operation of vidicon camera

tube

[8]

b) With neat sketch explain the principle of operation of colour camera

[7]

4 a) With neat sketch Explain about Electrostatic focusing and , Beam deflection [8]

b) Explain the 625-line monochrome system

[7]

5 a) With neat sketch Explain about Video amplifier [8]

b) Explain about raster circuits

[7]

6 a) What is the need of AGC ,explain the operation with neat sketch [8]

b) Explain about ,FM Sound detectors

[7]

7 a) What is the function of the color kiler circuit? Explain with neat diagram [8]

b) With neat sketch explain the decoding process using PAL – D decoder

[7]

8 a) With neat block diagram explain the essential elements of a satellite

communication system

[8]

b) With neat block diagram explain the single ended AFC circuit

[7]


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INFORMATION RETRIEVAL SYSTEMS

(Computer Science and Engineering)




*****

1 a) Define Information Retrieval System. Explain the objectives of the Information

Retrieval System.

[8]

b) Explain the functional overview of the Information Retrieval System. [7]

2 a) Apply the poster stemming algorithm the following words: irresponsible,

informative, unrespectable

[8]

b) Tradeoff the use of Precoordination versus Postcoordination [7]

3 a) What is the purpose of Thesaurus? Explain what it contains. [8]

b) Explain the concept of Inverted index file. How it can be

used Information Retrieval.

[7]

4 a) Write about PAT data structures and signature file structures [8]

b) What is automatic indexing? What are the various types of automatic indexing? [7]

5 a) Explain the concept of Information Extraction [8]

b) Differentiate Full Item indexing, Public File Indexing and Private File Index-

ing.

[7]

6 a) Consider the following Term – Term matrix

T1 T2 T3 T4 T5

T1 1 1 1 1

T2 1 0 1 0

T3 1 0 1 0

T4 1 1 1 0

T5 1 0 0 0

Determine the clusters using Single Link and Star Techniques.

[8]

b) What are the data files used to control and limit the stemming process by k-

stem system.

[7]

7 a) Explain Knuth – Prattt – Morris algorithm. [8]

b) Explain shift characters table. [7]

8 a) What algorithmetic basis is used for the GESCAN and Fast Data Finder

hardware text search machines?

[8]

b) Discuss about selective dissemination information search techniques with

examples.

[7]


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*****

1 a) Explain the functional overview of the Information Retrieval System. [8]

b) Clearly discuss the relevance of Information Retrieval Systems in

the context of Digital libraries and Data Warehouses.

[7]

2 a) Discuss the various Information Retrieval System capabilities in detail. [8]

b) What the impact on precision and recall in the use is of stop list and stop

algorithms?

[7]

3 a) What is statistical indexing and what are the disadvantages of them? [8]

b) Explain cutoff method, entropy method, peak and plateau method.

[7]

4 a) Describe the similarities and differences between term stemming

algorithms and n-grams.

[8]

b) Explain the following data structures giving suitable examples:

i) N-gram ii) PAT

[7]

5 a) Compare and contrast term clustering and item clustering. [8]

b) Differentiate between Manual Clustering and Automatic Term Clustering.

Explain with suitable examples.

[7]

6 a) Explain statistical indexing in detail. [8]

b) How do you expect that relevance feedback using negative

judgments will affect the precision and recall of an information system.

[7]

7 a) What are the data files used to control and limit the stemming process by

k-stem system.

[8]

b) Discuss the difficulties of a user being able to correlate his search to the Hit

file.What approach is to be used to overcome these problems?

[7]

8 a) List out the differences between Boyer-Moore text search algorithm

and Knuth-Pratt-Morris algorithm.

[8]

b) What algorithmetic basis is used for the GESCAN and Fast Data Finder

hardware text search machines?

[7]


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*****

1 a) Explain the functional overview of the Information Retrieval System. [8]

b) What are the problems with Luhn's concept of “resolving power"?

[7]

2 a) What is a Browse capability? Explain about various browse capabilities. [8]

b) What is linkage? Explain precoordination and postcoordination.

[7]

3 a) Which stemming technique is used by INQUERY system. Explain. [8]

b) What are hypertext linkages?

[7]

4 a) Explain the weighting process of index terms. [8]

b) Describe the similarities and differences between term stemming

algorithms and n-grams.

[7]

5 a) Clearly bring out the steps of the process of clustering. [8]

b) Define clustering. What are the general guidelines for clustering?

[7]

6 a) Explain the advantages of probabilistic approach. Give an example where the

probabilistic approach may be applied.

[8]

b) Write a short notes on the following

i) Bayesian Model ii) Simple Term Frequency Algorithm

[7]

7 a) Write short notes on the following with examples

i) Similarity measures ii) Ranking algorithms

[8]


examples.

[7]

8 a) Describe the need for information visualization. [8]

b) Differentiate hardware versus software text search algorithms. [7]


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*****

1 a) Discuss the objectives of IRS [8]

b) What is a Browse capability? Explain about various browse capabilities.

[7]

2 a) What is a Precoordination? How it is different from linkages? [8]

b) What are the problems with Luhn's concept of “resolving power"?

[7]

3 a) Describe how the PAT Data structure is different from n-grams. [8]

b) What is indexing? Explain its objectives. Write about Indexing process.

[7]

4 a) What is automatic indexing? Give the various classes of automatic indexing? [8]

b) Describe the similarities and differences between term stemming algorithms and

n-grams.

[7]

5 a) How clustering effects precision and recall? [8]

b) Compare and contrast manual clustering and Automatic Term Clustering.

[7]

6 a) Discuss the difficulties of a user being able to correlate his search to the Hit file.

What approach is to be used to overcome these problems?

[8]

b) Describe the need for information visualization. [7]

7 a) Consider the following Term – Term matrix

T1 T2 T3 T4 T5

T1 1 1 1 1

T2 1 0 1 0

T3 1 0 1 0

T4 1 1 1 0

T5 1 0 0 0

Determine the clusters using Cliques Techniques.

[8]


examples.

[7]

8 a) Differentiate hardware versus software text search algorithms. [8]

b) Write about Boyer-Moore text search algorithm. [7]


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MULTIMEDIA & APPLICATION DEVELOPMENT

(Common to Computer Science & Engineering and Information Technology)




*****

1 a) What is multimedia? Explain different components of Multimedia? [8]

b) Briefly explain about colour models in images?

[7]

2 a) Explain about SECAM video? [8]

b) What are the advantages of digital representation for video?

[7]

3 a) What are the features of Action Script 2.0? [8]

b) Explain about static typing with example?

[7]

4 a) What is casting? Explain with example? [7]

b) Briefly explain about the concept of Exceptions?

[8]

5 a) Explain the steps to specify the export name for classes in the movie? [8]

b) Explain the procedure for linking Avatar Symbol to Avatar Class?

[7]

6 Explain about the following

a) Quantization

b) Huffman coding

[8]

[7]

7 Briefly discuss about Video compression techniques?

[15]

8 Write a short note on

a) Media on Demand

b) Multimedia over IP

[8]

[7]

Code No: R4205B Set No. 1 R10

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*****

1 a) Explain the history of multimedia? [8]

b) Write a short note on Image data types?

[7]

2 a) Explain about PAL video? [8]

b) Briefly explain about Chroma subsampling?

[7]

3 a) Explain about object oriented Action Script? [7]

b) Write a short note on

i) Object creation

ii) Object usage

[8]

4 a) What is data conversion? Explain about with example? [8]

b) Briefly explain about the concept of Interface?

[7]

5 a) Explain the overview of concurrency converter application? [8]

b) Write a short on creating Avatar instances?

[7]

6 Explain about the following Lossy compression algorithms

a) Transform coding

b) Wvelet Based coding

[8]

[7]

7 Briefly discuss about Video compression techniques?

[15]


a) Media on Demand

b) Multimedia over ATM

[8]

[7]


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*****

1 a) Write a short note on Hypermedia? [8]

b) Explain the overview of multimedia software tools?

[7]

2 a) Explain about NTSC video? [7]

b) Briefly explain about colour models in video?

[8]

3 a) Discuss about various data types used in Action Script? [8]

b) Explain about dynamic type checking?

[7]

4 a) What is class and object? Explain their syntax with examples? [8]

b) Briefly explain about the concept of Packages?

[7]

5 a) Explain about creation of a Avatar symbol Movie Clip? [8]

b) Explain the steps to specify the export name for classes in the movie?

[7]

6 Explain about the following Lossless compression algorithms

a) Variable length coding

b) Arithmetic coding

[8]

[7]

7 Briefly discuss about Audio compression techniques?

[15]


a) Media on Demand

b) MPEG – 4

[8]

[7]


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*****

1 a) Explain about World Wide Web? [8]

b) What are the applications of multimedia?

[7]

2 Describe the different types of video signals?

[15]

3 a) Discuss about type checking in Action Script? [7]

b) Explain about static type checking?

[8]

4 a) Write a short note on Access Control Modifier? [8]

b) Briefly explain about the concept of Inheritance?

[7]

5 a) What are the steps to build Avatar symbols time line? [8]

b) Explain the overview of concurrency converter application?

[7]

6 Explain about the following Lossless compression algorithms

a) Run length coding

b) Dictionary Based coding

[8]

[7]

7 Briefly discuss about Audio compression techniques?

[15]


a) MPEG - 4

b) Multimedia Data Transmission

[8]

[7]


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IV B.Tech II Semester Supplementary Examinations, April/May - 2014

PROGRAMMABLE LOGIC CONTROLLERS





*****

1 a) With a neat block diagram, explain the basic components of a programmable

logic controller.

[10]

b) List and explain the applications of programmable logic controllers. [6]

2 a) List and explain any six PLC instructions. [8]

b) List and explain different PLC outputs. [8]

3 a) With a circuit diagram, illustrate the operation of a logical AND gate to turn

on a lamp.

[8]

b) Consider a system where there has to be no output when any one of four

sensors gives an output, otherwise there is to be an output. Develop and

explain the PLC ladder diagram for the above system.

[8]

4 Explain in detail the different registers used PLC control [16]

5 a) What are timers and counters? Explain. [8]

b) Explain the representation of timers in ladder programming. [8]

6 Explain the following instruction of PLCs with their applications

i) JNP ii) RET iii) MOV iv) MCR v) SUS

[16]

7 What are the applications of two-axis Robots? Discuss the controlling of two-

axis Robots with PLC.

[16]

8 What is a PID controller? Explain the tuning of PLC controllers. [16]

Code No: K0225 Set No. 1 R07

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*****

1 a) What is a programmable logic controller? List the advantages of PLCs over

relays.

[8]

b) Explain the I/O modules and their interfacing with PLCs. [8]

2 a) Explain the functions of the following PLC instructions:

i. CTD ii. OTE iii. OTL iv. XIO

[8]

b) What are the different types of PLC inputs? Explain. [8]

3 a) Illustrate the operation of a logical OR gate with two inputs to turn on a lamp. [8]

b) Develop a simple ladder logic program that will turn on an output X if inputs A

and B, or input C is on.

[8]

4 a) What are registers in digital circuits? Explain [8]

b) Explain different holding registers of PLCs. [8]

5 a) Explain the use of timers and counters for industrial applications. [8]

b) Develop a PLC ladder logic program for a system to turn on a solenoid

actuated valve when count X reaches 20 or when the count Y reaches 30.

[8]

6 Explain the following instruction of PLCs with their applications

i) FIFO ii) ONS iii) FAL iv) MOV v) CLR

[16]

7 a) Explain different industrial applications of PLCs. [6]

b) Discuss the controlling of two-axis Robots with PLC. [10]

8 What are PID controllers? Explain the use of PID controllers for industrial

applications.

[16]


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1 a) What are different programming methods for programmable logic controllers?

What is the popular method among them?

[8]

b) Discuss different programming Equipment required for programmable logic

controllers.

[8]

2 a) Explain different types of contact and coils used in PLC programming. [8]

b) Explain different PLC outputs. [8]

3 a) Explain the representation of AND, OR and NOT gates in ladder diagrams. [8]

b) Write the mnemonic program for the Ladder Logic shown below.

[8]

4 Explain different Input Registers and Output Registers available in PLCs.

Also explain their use in PLC control.

[16]

5 a) Differentiate between timers and counters? Explain their applications in

industrial control.

[10]

b) What are up-counters and down counters? Explain. [6]

6 Discuss the Sweep functions and their applications in PLCs [16]

7 Mention different applications of three-axis Robots? Explain the controlling

of three-axis Robots with programmable logic controllers.

[16]

8 a) Explain the need for analog output for PLC control applications. [8]

b) Explain the importance of different gains in PID controller. [8]


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1 a) Discuss different industrial applications of programmable logic controllers. [8]

b) Explain the construction of ladder diagrams for PLC with an example. [8]

2 a) What are normally-opened contacts and normally-closed contacts in PLCs?

Differentiate between them.

[8]

b) Explain representation of different contacts and coils in PLC ladder

programming.

[8]

3 a) Explain different logic gates used in PLC control. Explain their representation

in ladder programming.

[8]

b) A signal lamp is required to be switched on if a pump is running and the

pressure is satisfactory, or if the lamp test switch is closed. Develop and

explain the PLC ladder diagram for the above.

[8]

4 a) Discuss the Characteristics of PLC Registers. [8]

b) Explain the use of holding registers in PLCs. [8]

5 Define timers and counters. Explain how timers and counters work in ladder

logic programs.

[16]

6 a) What are the functions of JNP, RET, MOV instructions in PLCs. [8]

b) Discuss the application of sweep function in PLCs. [8]

7 a) What are sequence functions? Mansion their applications in PLCs. [8]

b) Explain the controlling of two-axis Robots with PLC. [8]

8 a) Explain different Analog modules in PLCs. [8]

b) Explain the tuning of PID controller. [8]


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Code No: K0227/R07 Set No. 1

IV B.Tech II Semester Supplementary Examinations, Apr/May 2014DATA BASE MANAGEMENT SYSTEMS

(Common to Electrical & Electronics Engineering and ChemicalEngineering)

Time: 3 hours Max Marks: 80Answer any FIVE Questions

All Questions carry equal marks? ? ? ? ?

1. Construct an E-R diagram for the database of a hospital with a set of patientsand a set of doctors. With each patient a log of the various test conducted is alsoassociated. Construct the appropriate relations for this diagram. [16]

2. (a) What is a relational database query? Explain with an example.

(b) What are the SQL constructs to modify the structure of tables, views and todestroy the tables and views? [8+8]

3. Describe the multi valued dependency. Is the decomposition in 4NF always depen-dency preserving and loss less justify your answer with the help of an example.

[16]

4. Explain the FD and MVD with examples? [16]

5. (a) What is a transaction? explain the terms related to transaction: Atomicity,Consistency, Isolation & Durability [8]

(b) Write briefly on terms

i. Blind write

ii. Dirty read

iii. Recoverable schedule

iv. Unrepeatable read. [8]

6. (a) Describe how fuzzy checkpoints are used in ARIES [6]

(b) Develop an example showing how a single locking protocol could lead to adeadlock. [10]

7. Explain why a physical OID must contain more information than a pointer to aphysical storage location. [16]

8. Explain about the B-tree and the structure of B+−tree in detail with an example.[16]

? ? ? ? ?

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1. (a) Write about the different types of Database Users.

(b) Write about the storage manager of database system structure. [8+8]

2. (a) What is the difference between a candidate key and the primary key for agiven relation? What is a super key?

(b) Explain the statement that relational algebra operators can be composed.Why is the ability to compose operators important? [8+8]

3. (a) Explain the basic structure of SQL?

(b) Write SQL expressions for the following relational databases. employee (empno,empname, gender, dob, doj, empadd, emptelno, empsalary, empdept, bonus,dor)

i. Find empname from emp schema table who joins at the same date?

ii. Find empadd, empname who are working in the same department?

iii. Find the salary from emp schema who are earing more than 6000?

iv. Find how many records are in table emp schema?

v. Find empno, empname, empdept from emp schema where empsalary isb/n. [8+8]

4. (a) Discuss join dependency give example.

(b) What is functional dependency? Explain with Example? [8+8]

5. (a) Define the concept of a transaction. [6](i) Write a short notes on (ii) Recoverability [10]

6. (a) Contrast ARIES with other WAL based recovery schemes. [6]

(b) How is the recovery manager is responsible for transaction atomicity & dura-bility. [5]

(c) What are the difference between update log record & compensation log record.[5]

7. Explain why the allocation of records to blocks affects database-system performancesignificantly. [16]

8. Explain the distinction between closed and open hashing. Discuss the relativemerits of each technique in database applications. [16]

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1. Describe the overall database system structure with a diagram. [16]

2. (a) What is a relational database query? Explain with an example.

(b) Explain the following fundamental operations of relational algebra. selectproject set rename. [8+8]

3. (a) Explain in detail the 2 ways of executing pipeline?

(b) Write the SQL expressions for the following relational database? [6+10]sailor schema (sailor id, Boat id, sailorname, rating, age)Recerves (Sailor id, Boat id, Day)Boat Schema (boat id, Boatname, color)

i. Find the age of the youngest sailor for each rating level?

ii. Find the age of the youngest sailor who is eligible to vote for each ratinglevel with at lead two such sailors?

iii. Find the No.of reservations for each red boat?

iv. Find the average age of sailor for each rating level that at least 2 sailors.

4. (a) What is Normaliztion? Give types of Normalization

(b) What are the advantages of Normalized relations over the un Normalizedrelations? [8+8]

5. (a) Define the concept of schedule for a set of concurrent transaction. Give asuitable example. [8+8]

(b) Explain read-only, write-only & read-before-write protocols in serialazability.

6. (a) What are the two tables used in crash recovery along with log record. Explainwith suitable example. [8]

(b) What are the different fields of log record. Explain each in brief. [8]

7. Give an example of a database application in which the reserved-space method ofrepresenting variable-length records is preferable to the pointer method. Explainyour answer. [16]

8. Explain about the B+−tree file organization in detail.. [16]

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1. (a) Describe about the three levels of Data Abstraction.

(b) What are the types of languages a database system provides? Explain. [8+8]

2. (a) What is the difference between a candidate key and the primary key for agiven relation? What is a super key?

(b) Explain the statement that relational algebra operators can be composed.Why is the ability to compose operators important? [8+8]

3. (a) What is a relation? Differentiate between relation schema and relation in-stance. Define the terms unity and degree of relation. What are domainconstraints?

(b) What are integrity constraints? Define the terms primary key constraint andforeign-key constraint. How are these constraints expressed in SQL? [8+8]

4. (a) What is functional dependency? Explain with Example?

(b) What is 2 NF?Expalin with example? [8+8]

5. (a) How does the recovery manager ensure atomicity of transaction? How does itensure durability [7]

(b) Define the terms

i. Conflict serialazable schedule

ii. View serialazable schedule

iii. Strict schedule [9]

6. (a) What is a transaction? Describe strict 2PL. [8]

(b) How does the two phase locking protocol ensures Serialazability. [8]

7. (a) Explain about Fixed-Length Representation in detail.

(b) Explain about Byte-String Representation. in detail. [8+8]

8. Suppose that we are using extendable hashing on a file that contains records withthe following search-key values: 2,3,5,7,11,17,19,23,29,31 Show the extendable hashstructure for this file if the hash function is h(x) = x mod 8 and buckets can holdthree records. [16]

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WIRELESS COMMUNICATIONS AND NETWORKS

(Common to Electronics & Communication Engineering and Electronics and

Communication Engineering)




*****

1. a) Explain briefly various CSMA protocols.

b) What are the objectives of reservation protocols? Discuss the RSVP protocol in

detail.

2. a) Explain the differences between wireless and fixed telephone networks.

b) Briefly explain the routing of traffic and limitations in wireless networking.

3. a) State the advantages of common channel signaling over in band signaling.

b) With relevant diagrams describe the sub layers of ATM.

4. a) Describe the concept of tunneling in mobile IP.

b) Mention the salient features of WAP session protocol.

5. a) Describe the function of each layer of protocol with IEEE802 Architecture.

b) Explain various fields in IEEE802.11 MAC frame format.

6. a) List and briefly define L2CAP logical channels.

b) Explain the WLL technology.

7. a) Draw the GPRS system architecture and explain how the mobility support is

achieved.

b) Write short notes on short messaging services in GSM.

8. a) What is wireless ATM? Explain the function of WATM with basic architectural

diagram.

b) Write short notes on adhoc networks.

Code No: L0423 Set No. 1 R07

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*****

1. a) Describe the DSSS technique and SDMA technique in detail.

b) What are packet radio access protocols explain?

2. Describe a local area network. What is the connecting medium used with local area

networks? Explain the two transmission formats used with local networks.

3. a) Describe the common channel signaling (CCS) network architecture based on SS7

with a neat diagram.

b) Explain about control and management plans of ISDN.

4. a) What is wireless datagram protocol? Explain its characteristics.

b) What are the key requirements of wireless LAN’s?

5. a) Draw and explain various fields in IEEE 802.11 MAC frame format.

b) What is the difference between a MAC address and an LLC address? List and

briefly define LLC services.

6. a) Explain the usage model for Bluetooth.

b) Discuss the three error correction schemes that are used in Bluetooth.

7. a) Explain the GPRS and data oriented CDPD networks.

b) Describe how the mobility support is achieved in GPRS with neat sketches.

8. a) List and define the features and requirement of WPAN’s.

b) Write short notes on wireless ATM.


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*****

1. a) Discuss the concept of TDMA with a neat sketch list the advantages and

disadvantages of it.

b) Briefly explain the concept of packet radio.

2. a) What are the differences between baseband verses broad band transmission.

b) Explain the transmission formats used with local networks.

3. a) Draw the block diagram of ISDN. What are the ISDN channels and ISDN

interfaces explain?

b) Draw and explain the SSN protocol architecture and also explain the signaling

traffic in SS7.

4. a) Briefly describe the capabilities provided by mobile IP.

b) What are the various services provided by WAP?

5. a) What is infrared LAN? Explain the various transmission techniques that are used in

infrared LANS.

b) Describe the features of narrow band microwave LANS.

6. a) Explain about link security specification between two blue tooth devices.

b) Discuss the application areas supported by Bluetooth.

7. a) What is GSM? How is short messaging done in it.

b) List the types of hand over in GSM and explain them briefly.

8. a) Explain the physical layer characteristics of WPAN. What do you mean by flow

specifications?

b) Write short notes on HIPER-LAN.


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*****

1. a) Explain the concept of FDMA with neat diagram.

b) Explain different protocols used in packet radio.

2. a) Explain about the routing of traffic and limitations in wireless networking.

b) Differentiate wireless and fixed telephone networks.

3. a) What is BISDN? Describe the services provided by it.

b) Describe the concept of ARDIS.

4. a) Describe the WAP programming model and explain key components in a WAP

environment.

b) Mention the salient features of WML scripts.

5. a) Describe the physical layer and MAC layer specification of IEEE802.11

b) Discuss the various services of IEEE 802.

6. a) Briefly explain the function of each layer with the help of architectural diagram of

Bluetooth.

b) Describe the characteristics of adaptation protocol.

7. a) What is GPRS? Explain the hand off management in GPRS.

b) Explain the SMS scheme in GSM.

8. a) What is Hiper LAN? Mention the functional requirements of Hiper LAN.

b) Write short notes on WPAN.


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DESIGN PATTERNS





*****

1 a) What is Design pattern? Explain about the essential elements of pattern. [8]

b) Explain about the design pattern in smalltalk MVC. [8]

2 a) How to configure windows with windowlmps? Explain [8]

b) What are the sampling operations of window class interface? [8]

3 a) Explain about the applicability and structure of Factory method [8]

b) Explain about the implementation issues of Factory method [8]

4 a) Write a sample code for implementing window using bridge [8]

b) Explain about the motive and consequences of bridge [8]

5 a) Explain about the surrogate participants [8]

b) What language features that are exploited by the proxy pattern [8]

6 a) Discuss about chain of responsibility with neat diagrams. [8]

b) Explain about the uses of chain of responsibility [8]

7 a) Explain about he uses and applications of visitor pattern [8]

b) Discuss about the participants of visitor pattern [8]

8 a) Explain about the ways in which the design patterns affect the way of design

object oriented software.

[8]

b) Explain about alexander’s pattern languages [8]


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DESIGN PATTERNS





*****

1 a) How to describe design patterns? Explain [6]

b) What are the catalogs for Design pattern? Explain [10]

2 a) Can we use an abstract factory? Explain [4]

b) Explain about the last design problem, specifically checking for the

misspellings and hypenation points.

[12]

3 a) Write a sample code to create mazes using abstract factory pattern [8]

b) Explain about the motive and consequences of abstract factory pattern [8]

4 a) Explain about the applicability and structure of composite [8]

b) Explain about the implementation issues of composite [8]

5 a) What are the implementation issues of Flyweight? Explain. [8]

b) Discuss about iterator with example code. [8]

6 a) Explain about the participants of command [8]

b) Discuss about the collaborations with neat diagram. [8]

7 a) What are the applications of state pattern? Explain. [8]

b) Write a sample code for the simplified version of the TCP connection. [8]

8 a) How design patterns are involved in finding and cataloging patterns [8]

b) Discuss about template method. [8]


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DESIGN PATTERNS





*****

1 a) How to classify design patterns? Explain with neat diagram. [8]

b) Explain about the Design pattern relationships [8]

2 a) Explain about the design problems in lexi’s design. [8]

b) How to construct a physical structure, one that corresponds to a properly

formatted document.

[8]

3 a) Explain about the applicability and structure of builder [8]

b) Explain about the implementation issues of builder class [8]

4 a) Write a sample code for implementation of class or object adapter [8]

b) Explain about the motive and consequences of adapter [8]

5 a) Explain about the applicability and motive of Decorator [8]

b) Explain about the structure and uses of Flyweight [8]

6 a) Explain about the participants of interator [8]

b) Write a sample code in smalltalk to checking whether a sequence matches a

regular expression

[8]

7 a) What are the consequences of state? Explain [8]

b) Explain about the several issues related to the implementation of the

dependency mechanism

[8]

8 a) Write a short notes on history of Design patterns [8]

b) Explain about the decoupling procedure between senders and receivers [8]


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DESIGN PATTERNS





*****

1 a) How Design Patterns Solve Design Problems? Explain [8]

b) How to Select a Design Pattern? Explain [8]

2 a) Explain about Monoglyph with examples [8]

b) Explain about factories and product classes. [8]

3 a) Write a sample code to create mazes using prototype [8]

b) Explain about the motive and consequences of protype [8]

4 a) Explain about the applicability and uses of Bridge [8]

b) Explain about the implementation issues of composite pattern [8]

5 a) Write sample code to implement user interface decorator [8]

b) Explain about the consequences of acade. [8]

6 a) Explain about the implementation issues of cursor. [8]

b) Write a sample code to evaluate regular expression [8]

7 a) Explain about the Mediator with neat diagrams. [8]

b) Discuss about the token consequences [8]

8 a) What is Refactoring? Explain. [8]

b) Explain about encapsulating variation in Behavioral patterns [8]


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Code No: R42025 NON CONVENTIONAL SOURCES OF ENERGY · PDF fileNON CONVENTIONAL SOURCES OF...

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