JNTUK 3-1 previous question papers

Hello I want to get JNTUK ECE III B.Tech I Semester Regular & Supplementary Examinations, previous year paper so can you help me ?

As you want to get the question papers of JNTU III B.Tech I Semester, so here I am providing the following question papers:

JNTU III B.Tech I Semester Question Paper Data Communication Systems
1. (a) Discuss about the standard organizations of Data Communications.
(b) Mention the layers present in OSI model. Explain them, in brief.

2. (a) Explain the characteristics of Electromagnetic waves.
(b) What are the classifications of Transmission line? Explain any one of them.

3. (a) Draw and explain the technique of Pulse Code Modulation.
(b) Define Companding and signal voltage to quantization voltage ratio. Write notes
on frame synchronization.

4. (a) Draw and explain the basic satellite communication system. What are the links
present in it?
(b)Present the detailed description of Microwave Communication System.

5. (a) Describe the basic telephone call procedures.
(b) Draw the block diagram in a telecommunication network and explain each block.

6. (a) Explain the working principle of cellular telephone systems.
(b) Discuss about N-AMPS.

7. (a) What are the various data communications codes? Discuss about Bar codes.
(b) Differentiate asynchronous and synchronous voice-band modems with various
performance parameters.

8. (a) Discuss about various data transmission modes.
Write notes on Synchronous Data-Link Protocols.

COMPILER DESIGN
1 (a) What is compiler and what is cross computer?
(b) Define regular expression.
Give examples of regular expressions.

2 Discuss in detail about the preprocessing steps required for predictive parsing by considering one example.

3 (a) Write a brief note on bottom up parsing.
(b) Define handle. Explain about handle pruning.

4 (a) Construct a syntax-directed translation scheme that translates inters into Roman numerals.
(b) What is syntax directed translation?

How it is used for translation of expressions?

5 Explain the storage allocation in unstructured languages.

6 Explain in brief about intermediate code optimization algorithms.

7 How to calculate the amount of data-flow information? Explain.

8 What is the role of labeled tree in code generation? Explain with example

COMPILER DESIGN

1 (a) Explain the procedure for conversion of NFA into DFA. (b) Develop a lexical analyzer to recognize a few patterns in PASCAL, C and FORTRAN (eg: identifiers, constants and operators).

2 Eliminate left recursion for the following grammar: E E+T|T T T*F|F F (E)| id

3 (a) What are the advantages of using LALR parser technique?
(b) Distinguish SLR and LALR grammar.

4 Discuss in detail about synthesized and inherited attributes.

5 (a) Explain the advantage of indirection in symbol table.
(b) Compare static and stack storage allocation strategies.

6 Explain the structure preserving transformations adopted by the code optimizer.

7 (a) What is use-definition chain? Explain its usage.
(b) Explain how data-flow equation is solved.

8 (a) Give an efficient algorithm for register allocation.
(b) Explain the issues in the design of code generator.


COMPILER DESIGN

1 (a) Explain format for the input or source file of LEX. (b) Discuss in detail about lexical errors.

2 Find the predictive parser for the following grammar and parse the sentence (a+b) *c E E+T|T T T*F|F F (E)| id

3 Give the LALR parsing table for the below grammar: S L=R SR L *R Lid R L


4 (a) Define S-attributed and L- attributed grammars.
(b) Write a syntax directed definition to convert the given binary number with its decimal equivalent.

5 (a) Describe in detail about storage organization.
(b) Explain in detail about various methods of passing parameters.

6 Discuss various popular code optimization techniques.

7 (a) Differentiate between header and pre-header. (b) What is dominator tree? Explain it.

8 Describe in detail about a simple code generator with the appropriate algorithm.


COMPILER DESIGN
1 (a) What is the role of lexical analyzer?
(b) Construct an NFA for the regular expression r = (a|b)*abb and convert it into equivalent DFA.

2 (a) Discuss different error recovery strategies that a parser can employ to recovery from syntactic error.
(b) What is context free grammar? Explain with an example.

3 (a) Trace the operator precedence algorithm for the string (id +id) * id.
(b) Explain the procedure for constructing precedence functions from an operator precedence matrix.

4 Generate intermediate code generation for the following code along with the required translation scheme: int a,b; float c; a=10; switch(a) { case 10:c=1; case 20:c=2; } 5 (a) Explain the various data structures for symbol table.
(b) Distinguish between static and dynamic storage allocation with respect to runtime environment.

6 Explain in detail about the DAG representation of basic blocks.

7 (a) With example, describe the reducible flow graph.
(b) Why to analyze data-flow in the code? Explain how it is done.

8 (a) Write in detail about the issues in the design of a code generator.
(b) What are the steps to compute the next use information?

Hello as you want to get JNTUK ECE III B.Tech I Semester Regular & Supplementary Examinations previous year paper so here I am giving you that:

ANTENNAS AND WAVE PROPAGATION
(Electronics and Communications Engineering)

Time: 3 Hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks
*****

1. a) Define the terms Radiation intensity, Gain, Resolution and Beam efficiency
b) The field pattern of an antenna is given by En = (Sin / )
i) Plot the normalized power pattern.
ii) Estimate the main beam efficiency of the antenna. [8+8]

2. a) State the Reciprocity Theorem for antennas? Prove that the Self Impedance of an
antenna in transmitting and receiving mode is same.
b) Define directivity, obtain the directivity of an isotropic antenna, short dipole and
Half-wave Dipole. [8+8]

3. a) How a unidirectional pattern is obtained in an end fire array. Explain?
b) What are the advantages and disadvantages of binomial array? [8+8]

4. a) Explain in detail the constructional features of helical antenna?
b) Compare the requirements and radiation characteristics of resonant and non resonant
radiators [8+8]

5. a) Derive an expression for the gain of a 900 corner reflector.
b) Explain the principle and working of Yagi Antenna. [8+8]

6. a) What is Zoning? What are its advantages?
b) Discuss the applications of Horn Antenna. Sketch the sectoral horns. [8+8]

7. a) Explain the following:
i) Ground Wave ii) Space Wave iii) Surface Wave
b) Discuss the characteristics of ionospheric layer [10+6]

8. A communication link is to be established between two stations using half wave-length
antenna for maximum directive gain. Transmitter power is 1 KW, frequency of operation
is 100 MHz and distance between transmitter and receiver is 100 Km. what is the
maximum power received by receiver? Explain and derive the formulas used. [16]

To get all papers of :
ANTENNAS AND WAVE PROPAGATION
CO
DIGITAL IC APPLICATIONS
LINEAR IC APPLICATIONS
MEFA
DIGITAL COMMUNICATIONS

Contact details :
JNTU Kakinada University College of Engineeering, Vizianagaram
Vizianagaram, Andhra Pradesh ‎

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Yes I want antennas and wave propagation previous question papers