Set No.

1

Code No.RR-10202

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I-B.Tech. Regular Examinations April/May 2003 INFORMATION TECHNOLOGY AND NUMERICAL METHODS (Common to Electrical and Electronics Engineering, Electronics and Communication Engineering, Computer Science and Engineering, Electronics and Instrumentation Engineering, Bio- Medical Engineering, Information Technology, Electronics and Control Engineering, Computer Science and System Engineering Electronics and Telematics, Electronics and Computer Engineering, Bio-Technology, Instrumentation and Control Engineering.) Time:3 hours Max.Marks: 80 Answer any FIVE questions All questions carry equal marks --1.a) Name the three major components of the CPU and briefly identify the responsibilities of each. b) What are registers? Name the commonly used registers and briefly describe the function of each. 2.a) b)

Discuss the major functions of an operating system. Describe “Multi tasking” and “Multi Programming”.

3.a) b)

How are programmer languages categorized? Explain. What are various third generation languages? Explain their features briefly.

Describe the anatomy of Power point Presentation. Explain the creation of presentation using i) The Auto content Wizard. ii) A Template. iii) A Blank Presentation.

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4.a) What is database? What is DBMS? b) Explain about a) Operating database tables b) Querying Records c) Sorting Records.

Give the comparison of different iterative methods of solving an equation by taking the consideration of a) Iterative formula. b) Order of convergence. c) Evaluation of functions per iteration. d) Reliability of convergence.

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6.

Contd…2

Code No.RR-10202

b)

8.a) b)

Set. No. 1

Describe the terms “Interpolation” and “Extrapolation”. Give few examples and applications. Evaluate f (10), given f(x) = 168, 192, 336, at x = 1, 7, 15 respectively.Use Lagrange interpolation. Obtain the error function for trapezoidal rule. The accelerations of a vechile at nine timing instances from t = 0 to 40 with an interval of 5 are 40.0, 45.25, 48.50, 51.25, 54.35, 59.48, 61.5, 64.3, 68.7. Find the velocity at t = 40 using trapezoidal rule.

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7.a)

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Set No.

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b)

3.a) b)

What does multitasking mean to a user? In what ways does the user benefit from the multitasking capabilities of an operating system? List and describe briefly at least three services that an operating system provide to active applications. What are various fourth generation languages? Name a few and explain them briefly. Explain briefly about visual programming.

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Code No.RR-10202 I-B.Tech. Regular Examinations April/May 2003 INFORMATION TECHNOLOGY AND NUMERICAL METHODS (Common to Electrical and Electronics Engineering, Electronics and Communication Engineering, Computer Science and Engineering, Electronics and Instrumentation Engineering, Bio- Medical Engineering, Information Technology, Electronics and Control Engineering, Computer Science and System Engineering Electronics and Telematics, Electronics and Computer Engineering, Bio-Technology, Instrumentation and Control Engineering.) Time:3 hours Max.Marks: 80 Answer any FIVE questions All questions carry equal marks --1.a) Describe the capabilities and characteristic features of a modern computer. b) Describe the role of computers in the day to day activities of the present scenario. List and explain in brief the major application areas wherein computers are used.

Explain about querying a database. Briefly write about SQL and QBE. What is enterprise software?

5.

Explain the working with worksheets and workbooks by taking the following a) Working with cells and cell addresses b) Entering and Editing data c) Finding and Replacing data

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4.a) b) c)

Explain Newton – Raphson method with an example. List the Limitation of Newton – Raphson. Obtain the unique polynomial P(x) of degree 5 or less corresponding to f(x), where f(x0) = 1, f (x0) = 2, f (x0) = 1, f(x1) = 3, f (x1) = 0, f (x1) = -2, Also find P( (x0 + x1 ) / 2 ).

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8.a) b)

Obtain the error function for Simpson’s rule. The accelerations of a vehicle at nine timing instances from t = 0 to 40 with an interval of 5 are 40.0, 45.25, 48.50, 51.25, 54.35, 59.48, 61.5, 64.3, 68.7. Find the velocity at t = 40 using Simpson‘s rule. $$$

Set No.

3

Code No.RR-10202

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I-B.Tech. Regular Examinations April/May 2003 INFORMATION TECHNOLOGY AND NUMERICAL METHODS (Common to Electrical and Electronics Engineering, Electronics and Communication Engineering, Computer Science and Engineering, Electronics and Instrumentation Engineering, Bio- Medical Engineering, Information Technology, Electronics and Control Engineering, Computer Science and System Engineering Electronics and Telematics, Electronics and Computer Engineering, Bio-Technology, Instrumentation and Control Engineering) Time:3 hours Max.Marks: 80 Answer any FIVE questions All questions carry equal marks --1.a) What are the different types of memories? Describe their capabilities. b) Compare and contrast the differences between ROM and RAM and give their applications. Describe the different data processing methods. Compare and contrast the differences between data processing methods.

3.a)

Explain the following text codes: i) EBCDIC ii) ASCII iii) Unicode. What are interrupts? Explain.

b)

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2.a) b)

Explain: Server based networks, client/server networks, peer-to-peer networks.

5.

Explain the following with respect to word document using Keyboard shortcut and using Mouse a) Moving around in a word b) Selecting text in word c) Entering and deleting text d) Finding and replacing text and other parts of a word document

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4.

Briefly explain the following iterative methods a) First order method b) Second order method c) High order method

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7.a) b)

Write the algorithm for Central deference interpolation method. Use Lagrange and the divided difference formula to calculate f(3) from the following table x : 0 1 2 4 5 6 f(x) : 1 14 15 5 6 19 Contd…2

Code No.RR-10202

b)

Set. No. 3

Illustrate trapezoidal rule of numerical integration and prove the formula for the same. Integrate the function Sinx between 0.25 and 0.29 values of x using trapezoidal rule. Use step size of 0.01.

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8.a)

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Set No.

4

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Code No.RR-10202 I-B.Tech.Regular Examinations April/May 2003 INFORMATION TECHNOLOGY AND NUMERICAL METHODS (Common to Electrical and Electronics Engineering, Electronics and Communication Engineering, Computer Science and Engineering, Electronics and Instrumentation Engineering, Bio- Medical Engineering, Information Technology, Electronics and Control Engineering, Computer Science and System Engineering Electronics and Telematics, Electronics and Computer Engineering, Bio-Technology, Instrumentation and Control Engineering) Time:3 hours Max.Marks: 80 Answer any FIVE questions All questions carry equal marks --1.a) What are the functional capabilities of a CPU ? List and explain the responsibilities of components of CPU? b) What role do input and output devices play in a computer functioning. Give examples for each. Write a brief notes on the following: i) Multi-processing operating system ii) Time sharing system iii) Multi tasking OS iv) Batch Processing.

3.a) b)

What are conditional statements? Explain. What are structured programming and objectoriented programming? Explain. Compare the two features.

4.

Explain about any four common media for data communication.

5.

Explain the following with respect to Office-2000 word a) Converting Files to and from the Previous version of Word b) Converting files to and from the other document formats c) Combining two or more documents d) Preventing document disasters

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2.a)

Explain the Iterative method approach in solving the problems. Explain the classification of Iterative method based on the number of guesses.

7.a) b)

Write an algorithm for Newton’s forward method of interpolation. Consider the following data for g(x) = (sinx) / x2 x : 0.1 0.2 0.3 0.4 g(x) : 9.9833 4.9667 3.2836 2.4339 Calculate g(0.25) accurately.

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6.a) b)

0.5 1.9177

Contd…2

Code No.RR-10202 8.a)

Set. No. 4

Illustrate Simpson’s rule for numerical integration and prove the formula for the same. Numerically integrate (Sin x)(x)-1/2 between 0 and 1 using Simpson’s rule with 20 points. $$$

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b)

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Set No.

Unicode. b) · What are interrupts? Explain. 4. Explain: Server based networks, client/server networks, peer-to-peer networks. 5. Explain the following with respect ...
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