III B.Tech(CSE & IT) I SEMSTER I MID EXAMINATION SEP-2010 SOFTWARE TESTING METHODOLOGIES

1. Discuss in detail the integration and system bugs.
2. Discuss how software testing will ensure the quality of a developed software.
3. Discuss in detail how the consequences of bugs are measured?

4    Discuss the following terms in detail

(a) Predicates

(b) Path predicates

(c) Achievable paths

5        What is meant by path sensitization? Discuss clearly the heuristic             

       procedure for sensitizing paths.

6        Discuss the integration testing issue on path testing for Multi-Entry /                             

       Multi-Exit routines.

7   Explain with a suitable example how to convert a Multi-Entry routine to an

                 equivalent single entry routine.

      8    What are the transaction flows? Discuss their complications.

      9    What is meant by Data-flow testing? Discuss its significance.

10      What is meant by domain testing? Discuss various applications of  domain      

Testing

11      With a neat diagram, explain the schematic representation of domain

            testing.

      12   Discuss the following strategies of data flow testing with suitable

       examples:

        i. All-predicate-uses(APU) strategy

       ii. All-computational (ACU) strategy

13     What is meant by statement testing and branch testing? Give suitable

examples.

14    State and explain various path selection rules for path testing.

15    What are the different kinds of loops?

16     Define testing and explain the purpose of testing.

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III B.Tech(CSE & IT) I SEMSTER I MID EXAMINATION SEP-2010 MICROPROCESSOR AND INTERFACING

1)      What are the different control signals necessary for I/O read and write cycles? Show how these control signals are generated in minimum and maximum modes of 8086.

2)      Why 8086 microprocessor is mapped into 2 byte wide banks? What logic levels are found with BHE and A₀ when 8086 writes a byte into address 0F0410H?

3)      What are the control flags in 8086? Discuss their use.

4)      What is the difference between physical address,effective address and offset address? Explain with example how physical address is generated.

5)      What is the purpose of ALE,BHE,DT/R and DEN pins of 8086? Show their timing in the system bus cycle of 8086?

6)      What are the segmentation registers in 8086? Discuss the purpose of extra segment.

7)      Compare flag registers of 8086 and 8085.

8)      Draw and explain the registers organization of 8086.

9)      Write an ALP to sort the set of given no.’s in Descending order

10)  Write an ALP to find the average of two numbers.

11)  Write an ALP to multiply 16 bit unsigned no. by an 8 bit unsigned no.

12)  Write an ALP to find the sum of given 10 no.s’

13)  Explain the pin configuration of 8255 and also explain the I/O modes of operation of 8255.

14)  Explain the priorities of DMA requests and explain the interfacing of 8257 with 8086.

15)  Discuss in detail the mode control word format of 8257. Explain about each bit representation.

16)  Discuss about the following control words of 8255. a) Mode set control word. b) BSR mode.

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III B.Tech(IT) I SEMSTER I MID EXAMINATION SEP-2010 DISTRIBUTED DATABASES

1. Define distributed database. Compare and contrast centralized and distributed data

    base?

2. What is fragmentation explain in detail verification and horizontal fragmentation with examples

3. What are the technicalities involved in distributed database administration?

    Disscuss reference model in detail?

4. How integrity constraints work in distributed databases?

5. What are rules to be followed trancslating global relation into fragmant relation ?

6. How aggregate function are graped and walnated?

7. Expalin in detail the prametric quries explain ent operation with examples

8. How can we simplify vertically fragumented relation

9. What are the different optimization problems to be discussed what is tprofile ? How    

    the relationalational alzebra evaluated

10. Write about algebra of  qualified relation

11. How can we reduce the relation using semi joins explain using SDD1 algorithm and

      how can we calculate Transaction cost

12. How could we calculate the Transaction delay and explain AHY algorithm in detail

13. Explain in detail R* approach.

14. Define Transaction. Explain Properties and Goals of Transaction management.

15. Write about the memory producer in centralized using Log and distributed database

      using 2-PC protocol.

16. How can we control concurrency in Distributed databases.

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III B.Tech(CSE & IT) I SEMSTER I MID EXAMINATION SEP-2010 DATA COMMUNICATION SYSTEMS

1.      Explain the different types of network topologies

2.      Explain briefly about OSI model

3.      Explain the terms Information capacity, bit rate, baud & M-ary encoding

4.      Explain analog and digital modulation schemes

5.      Explain different types of  metallic transmission lines

6.      Write a short notes on optical fiber cable losses

7.      Briefly explain about optical fiber modes

8.      Explain about light sources and light detectors

9.      Write short notes on pulse modulation and dynamic range.

10.  Define companding and explain digital companding with encoding and decoding tables.

11.  Define multiplexing and briefly explain about T1 digital carrier system.

12.  Explain about AT&T’S FDM Hierarchy.

13.  Explain the given below a).Refraction b).Reflection c).Diffraction d). Interference

14.  Explain about the given propagation techniques a).Ground wave propagation b).Space wave propagation c).Sky wave propagation

15.  Explain the different types of satellite multiple access techniques.

Define a).Attenuation b).Absorption c).Skip distance

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III B.Tech(CSE & IT) I SEMSTER I MID EXAMINATION SEP-2010 COMPUTER GRAPHICS

1. Explain about CRT device? Explain the role in graphical display?
2. What is the working of plasma panel and LCD?
3. Describe all input devices?
4. What is Computer Graphics? Explain the users and applications of CG?
5. Bresenham’s line drawing algorithm?
6. Explain scan Line algorithm?
7.  Mid point circle drawing algorithm?
8. What is inside test? Explain flood fill algorithm?
9. Explain translation and scaling?
10. Explain rotation and shear transformation?
11. Give a brief on composite transformation?
12. What is mean by homogeneous co-ordination? What is it’s significant?
13. Explain Cohen Sutherland line clipping algorithm?
14. Describe Hodgeman polygon clipping algorithm?
15. Give a brief on mid point sub division algorithm?
16. What is clipping? Describe point clipping and line clipping?

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III B.Tech IT I SEMSTER I MID EXAMINATION SEP-2010 AUTOMATA AND COMPILER DESIGN

1        Define DFA and NFA. Give examples

2        Convert the following NFA to equivalent DFA:

3        Define regular expression. Give example. Write its applications

4        Design a DFA that accepts the language over ∑ = {a, b} of all strings that

contain the sub-string either aa or bb.

      5    Describe Chomsky hierarchy of languages and recognizers.

      6    Convert the following regular expressions into NFA. [6+10]

(i) (0 U 1)*000(0 U 1)*

(ii) (((00)*(11))U01)*

(iii) φ*

       7    Describe parse trees.

       8    Consider the following recursive grammar:

i. S -> Aa |b

ii. A -> Ac |Sd

What is an equivalent grammar when the left recursion is removed?

      9)  Identify the language, L generated by the following grammar, G:

G = ({S,A,B}, {a, b}, {S -> Aa, A -> a |B ,B -> bB | b }, S).

     10)  Explain about ambiguous grammar?

     11) What is left factoring? Explain with a suitable example.

12)  Explain Bottom up parsing with example

13) Consider the following augmented grammar:

S -> E

E -> E + T|T

T -> a |(E)

             Construct the SLR(1) parse table.

14)  What is syntax directed translation? Explain with example.

15)  Describe about S-attributed and L-attributed grammars.

16)  Compare Inherited attributes and Synthesized attributes with an example

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IV B.Tech ( CSE & IT) I SEMSTER I MID EXAMINATION SEP-2010 Software Project Management

1. What are the common symptoms of projects which are not successful?
2. With a neat diagram explain about waterfall model?
3. List and explain 10 reasons why conventional software management does not perform satisfactorily?
4. What are the components of a software cost model and what constitutes a good cost estimate?
5. Explain how the use of good languages and object oriented modeling can reduce the sloc in software?
6. How should the team be balanced in different dimensions of human skills& what are the skills required from a project manager?
7. What are the three sub processes in the software development process and explain them?
8. Discuss the principles of modern software management?
9. What are the primary objectives of four life cycle phases?
10. What are the essential activities of four life cycle phases?
11. What are the primary evaluation criteria of four life cycle phases?
12. Explain in detail about management artifacts?
13. Explain architecture according to the management and technical perspective?
14. What are the seven process workflows in the life cycle?
15. Explain the various artifacts and lifecycle emphases associated with each workflow?
16. What are the iteration workflows in the life cycle?

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IV B.Tech(CSE & IT) I SEMSTER I MID EXAMINATION SEP-2010 NETWORK PROGRAMMING

1.      What is OSI model? Explain about internet protocol suit.

2.      Define following terms.

        a).TCP(Transmission Control Protocol).

        b).UDP (User Datagram Protocol).

3.   What are the Buffer Sizes and Limitations?

4.   What are the standard internet services and protocol usage by common internet

       Applications?

5.      How many types of socket address structures .Give comparison of socket address structures?

6.      Write short notes on Value Result Arguments. 

7.      What   are the system calls and explain with each.

8.      Define the following concepts.

a). fork() function.

b). close() function.

9.      Explain simple TCP echo server and client model.

10.  How the client and server start, how they ends. Explain it.

11.  What is crashing? Explain the crashing of server host.

12.  Explain the following terms.

  a). Rebooting.

  b). Shutdown of server host.

13.   Give short notes on

        a).Batch input.

        b).Shutdown function.

   14.   Discuss about TCP Echo Server.

   15.   What is I/O Multiplexing? Give any two I/O models with small discussion.

   16.   What are the I/O Multiplexing functions?

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