BSIT - BC

B.Sc. (I.T.) Examination, May/June 2011Directorate of Distance Education

BRIDGE COURSETime : 3 Hours Max. Marks : 100

PART - A I. Answer all the questions (12x2=24)

1) What is an algorithm ?

2) Write the syntax of printf ( ) function.

3) What does != stands for (1x1=1)

4) Define a function.

5) What is an array ?

6) What is a Queue ?

7) What is a root node ?

8) What is a binary tree ?

9) What is ARQ ?

10) What is IEEE 802.11 ?

11) What is TCP/ IP ?

12) What is CRC ?

13) In 'C AND operator is written as

P.T.O.

BSIT – BC

PART' – B

II. Answer any FIFTEEN questions. (15x5=75)

1) Give any five symbols used for flow chart.

2) What are preprocessive directive statements ? Give example.

3) Write a 'C' program to find factorial of a given number.

4) Write a 'C1 program to add two matrices of dimensions A (mxn) and B (mxn).

5) Write a 'C' program to find biggest number in a given set of 10 numbers.

6) What is a variable and constant ? Give example.

7) Differentiate pointer and an array.

8) With the help of an example explain cail by reference scheme.

9) Write a 'C1 program to demonstrate concatenation of two strings.

10) Write an algorithm to create a linked list data structure.

11) With the help of an example explain calculation of time and space . complexity of an

algorithm.

12) With the help of an example explain the conversion of Infix to Postfix form.

13) What is the difference between compiler and an assembler ?

14) With the help of a diagram explain data communication model.

15) What is a protocol and protocol architecture ?

16) With the help of an example explain circuit switching.

17) What is multiplexing ? Explain.

18) List the various line coding techniques 4

19) What is Abstract data type ? Give example.

20) Explain how a polynomial is stored in linked list.

BSIT – 31

III Semester B.Sc. (I.T.) Examination, May/June 2011(Directorate of Distance Education)

PERSONALITY DEVELOPMENT PROGRAMME – II

Time : 3 Hours Max. Marks : 100

Instructions : 1) Part - A : Answer all questions.2) Part - B: Answer any FIVE full questions.

PART – A

1. Prepare a brief self-portrait of yourself for a professional career. 5

2. List out your short term and long term goals in your professional life. 5

3. What is the difference between language skill and communication skills ? 5

4. Name any four reasons why English is importent for us ? Is spoken English difficult. Why ? 5

5. What are paragraphs ? Why do we need paragraphs ? 5

PART – B

1. a) Explain the participation in the interview. 7

b) What are the common shortcomings of interviewer ? 8

2. a) What are twelve tips for time management ? 7

b) What are the principles of human management ? 8

3. a) Mention certain DO'S to improve communication skills. 7

b) Write the check list for revising drafts. 8

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4. a) Write a formal letter to the subinspector of police to complaint against theftof motor cycle.7

b) Read the following passage and answer the questions given below.8

One day Mohandas met Sheik Mehtab, a friend of his elder brother. Sheik had a bad reputation. Mohandas knew this, yet he was much impressed by Sheik because he was tall and strong.Sheik was a meat-eater and he often told Mohandas that if he ate meat he would also grow tall and strong.There was also at that time a reform movement for a change in the orthodox ways of life. Mohandas himself had heard that many well-to-do people had started eating meat, So he tried meat. He did not like the taste of meat but as time went on he started to like meat currier. Whenever Mohandas had a meat meal outside, he had to give his mother some excuse for not eating his dinner. He knew that his parents would not forgive him if they knew he had eaten meat. He was not against eating meat then, but he was against telling a lie to his mother. This feeling was gnawing at his heart and finally he decided not to touch meat again.Mohandas had also taken to smoking with Sheik, his brother and another relative. He had to pilfer small amounts of money here and there with which to buy cigarettes.

i) 'Sheik had a bad reputation..... yet he was much impressed by Sheik. Why was Mohandas impressed by Sheik ?

ii) What did Sheik advice Mohandas ?iii) He was not against eating meat. What was Mohandas against ?iv) Why did Mohandas had to steal money '?

5. a) What are writing skills ? What are the importance of acquiring writing skills ? 7b) Rearrange the following jumbled sentences in the right order observing the principles of coherence and cohesion.8

i) Not only does this increase their tolerance of violent behaviour in other, but most authoritiesnowconcede that under certain condition, some children will imitate anti - social acts that theywitness on television.

ii) For one thing, recent studies tend to show that TV slifler creative imagination.iii) Some teachers feel that television has taken away the child's ability to form mental picture in his

own mind, resulting in children who cannot understand a simple story without visual illustrations.

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iv) Many people are worried about what television has done to the generation of American children

who have grown up watching it.

v) The third area for concern is the serious complain frequently made by elementary school teacher

that children exhibit low tolerance for the frustrations of learning.

vi) Because they have been conditioned to see all problems resolved in 30 or 60 minutes on TV,

they are quickly discouraged by any activity that promises less than instant gratification.

vii) Secondly, too much TV too early tenders to cause Children to withdraw

from real life experiences.

viii) But perhaps the most serious result is the impact of television violence on children, who have

come to regard it as an everyday thing.

ix) Thus, they grow up to be passive spectators who can only respond to action, but not initiate it.

6. a) Change the following sentences from direct to indirect speech. 8

i) He said, " I do not like apples".

ii) She said to Ram, "Why did you break the glass" ?

iii) The student told the teacher, " will you please help me to learn mathematics

this evening".

iv) The tourist said, "what a lovely river this is!"

b) Write the dialogue between the following pairs of people. 7

i) Two friends meeting after a long time,

ii) A teacher meeting the head of the department of English.

7. a) In order to make a successful presentation what are the steps to be followed. 7

b) Explain the use of visuals in presentation. 8

8. Write short notes on :

a) Dos and don'ts of body language. 5

b) Different kinds of reading. 5

c) Characteristics of successful people. 5

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BSIT – 32Ill Semester B.Sc. (IT) Examination, May/June 2011

(Directorate of Distance Education)RDBMS

Time : 3 Hours Max. Marks : 100

Instructions : I) Part A : Answer all questions.2) Part B : Answer any FIVE full questions.

PART – A 25

1. The relational model has established itself as the primary data model for ____data processing applications. 1

2. The overall design of the database is called _______ 1

3. Cartesian product operation is denoted by ____ 1

4. DCL expands to ______ 1

5. To remove a relation from a database we use the _______ command. 1

6. _________ is a technique for reducing data redundancy. 1

7. The _________ join type is a combination of the left and right outer-jointype. 1

8. Normalization is the process of _______ data in a database. 1

9. _______ key uniquely identify a row in the table. 1

10. Control files record _____ about all the files within the database. 1

11. Main memory area in ORACLE database is called as \___ 1

12. SMON is a short form used for _____ 1

13. SQL does not have any ——————— capability. 1

14. _______ data type stores fixed length character data. 1

15. The data stored in cursor are called _____ 1

16. The client calls a local procedure called the ____ 1

17. Parameter passing between client and serves can be ____ 1

18. ODBC came as a demand for _______ development. 1

19. Audio, video and programs can be included in _______ documents. 1

20. XML means ______ 1

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BSIT – 32

21. CGI means common gateway interface, which is a _____ 1

22. Java servlets are executed in their own _____ 1

23. Mobile computing architecture is a _______ architecture. 1

24. Modern CPU's also have very large address spaces due to ______ 1

25. _____ data is stored in either raster or vector formats. 1

PART – B

1. a) With an example explain project and select operation in SQL. 7

b) By taking example explain UNION operation and Cartesian product operation in

SQL. 8

2. a) Discuss insert, delete and update operation in SQL by considering example. 7

b) With an example discuss aggregate function and group by option in SQL. 8

3. a) What is an unnormalized relation ? Give example. What problems are associated

with an unnormalized relation ? Explain. 7

b)Explain second and third normal form with an example. 8

4. a) Discuss the role of back0ground process. Explain any four major background

processes. 7

b)Explain the architecture of ORACLE. 8

5. a) Discuss same predetermined internal PL/SQL exceptions. 7

b)Differentiate between PL/SQL functions and procedures. 8

6. a) Discuss the JDBC-ODBC bridge driver. 7

b)Explain the three-tier database design. 8

7. a) Explain the application server architecture. 7

b)What do you mean by search engine ? What are the components of search

engine service ? Explain. 8

8. a) What do you mean by multimedia database ? Explain briefly the applications

of multimedia database. 7

b)Write a note on the concept of digital libraries. 8

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BSIT - 33

III Semester BISc. (I.T.) Examination, May/June 2011(Directorate of Distance Education)

OOPS WITH C++

Time : 3 Hours Max. Marks : 100

Instructions : 1) Part A : Answer all the questions. 2) Part B : Answer any 5 full questions.

PART - A

Fill up the blanks : 25

1. ______ are the data storage location not accessible to the user.

2. A character literal preceded by L is known as ______ literal. 1

3. If we do not use a sign bit, the range of possible values for an integer is 1

_____________and _______________ 2

4.____________ is a basic building block of the program. 1

5._____________ can be used constructively when the same operator has to be

performed on a number of cases in switch. 1

6. Go to statement is rarely use in C++ because 1

7. The compiler matches the constructors depending on how the class is _________ 1

8. A single function name can have multiple ______. 1

9. Match the following : 5

i) Explicit creation and deletion a) Modularii) Combining returning ofsequences in a single place b) oopiii) Representation of the real world entity c) Inheritanceiv) Call and return sequence e) Procedural

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10. Say true of false: 5i) Variable can begin with a number.ii) Declaration of the variable allocate the appropriate storage in the memoryiii) Volatile qualifiers support the compiler optimization..iv) In the union of all the variables share same physical storage and only one

variable is defined at a time.v) The contents of one structure can be assigned to another as long as they

are of the same type.

11. Name the following : 6

i) Process of building the function,ii) To indicate the empty parameter list of a function,iii) Default argument passing mechanism in C++.iv) An argument passing mechanism which requires the formal variable to be considered as a pointer.v) The function which is expanded when invoked, vi) The number of seconds held by a time variable.

PART – B

Answer the following : 75

1. a) Classify the literal constants and discuss each one in brief. 7

b) Discuss # DIFINE, CONST qualifier and Volatile qualifiers. 8

2. a) What is a pointer ? How pointer is declared ? Explain referencing and

dereferencing with pointers. 7

b) Write a note on structures and unions ? Bring out the difference between them 8

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3. a) Briefly discuss the functions malloc, calloc, realloc and free. 7

b) Write a note on left shift, right shift and size of () operators. 8

4. a) Write a program in C++ to accept 10 numbers from the user and report

second largest and smallest number in the list. 7

b) Write the flow chart and the equivalent C++ statement to check whether a

given number is prime or not. 8

5. a) Write the syntax for functions with no parameters. Also mention the

disadvantages of it. 7

b) What is a storage classes ? Explain different type of storage classes. 8

6. a) Explain memory allocation for objects is done. 7

b) Write a program in C++ that illustrate the usage of destructors. 8

7. a) Write a program in C++ for overloading unary minus operator. 7

b) Write a program in C++ to show the concept of single inheritance. 8

8. Write short notes on :

a) Procedural program 5

b) Modular program 5

c) Object-oriented program. 5

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BSIT – 34

III Semester B.Sc. (IT) Examination, May/June 2011(Directorate of Distance Education)

COMPUTER NETWORKS

Time : 3 Hours Max. Marks : 100

Instructions : 1) Part A ~ Answer all questions. 2) Pan B - Answer any FIVE full questions.

PART - A 25

1. OSI has _________________ lavers. 1

2. The ____________ layer uses the services provided hv the network layer. 1

3. Each laver adds _____________to the data it received from the upper layer 1

4. At the receiving end, the data is passed to transport layer from ______________ 1

5. The lavers not present in TCP/IP model are _____________and _____________ 2

6. At transport layer the protocol defined by TCP/IP model are __________ and__________ 2

7. A device having more than one IP address is known as __________device. 1

8. The two types of routing are _____ routing and _____ routing. 2

9. The IP datagram header has the IP address of _____ and _____ systems. 2

10. Protocol used for reporting the errors occurred during the datagram transfer is

______________ 1

11. UDP needs the ___________ address to deliver the data to the correct process. 1

12. In TCP a unit of data is referred to as ___________ 1

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BSIT - 34 -2- 13. Flow control is achieved through the use of _____ window mechanism. 1

14. ______ field in the TCP header is used to detect errors in the TCP segment. 1

15. TCP offers _____ duplex data transfer service. 1

16. In TCP/IP the two communicating processes can be best described using the

______ model. 1

17. In client-server, the _____ programme is always running. 1

18. Connection-oriented concurrent server uses the service of ______ transport

protocol. 1

19. FTP uses _____ protocol for transmission purpose. 1

20. The number of connections required for FTP operation is _____ 1

21. FTP is used to transfer _____ from one host to another. 1

PART - B 75

1. a) Explain OSI reference model, 7

b) What are the important tasks performed by the transport layer ? 8

2. a) What are different IP address classes ? Explain each one of them. 7

b) Bring out the difference between direct and indirect routing. 8

3. a) With neat diagram explain IP datagram header. 7

b) Explain ICMP message format. 8

4. a) What are the uses of UDP protocol ? 7

b) Explain the encapsulation and decapsulation mechanism used in UDP. 8

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5. a) Explain with neat diagram TCP segment. 7

b) Explain the concept of multiplexing and demultiplexing in TCP. 8

6. a) Explain how connection is established in TCP using three way hand shaking. 7

b) Write a brief description about client-server model. 8

7. a) Discuss about the connection-oriented concurrent server. 7

b) Explain in detail about control connection and data connection used in FTP. 8

8. Write short notes on :

a) Fragmentation. 5

b) Flow control mechanism in TCP. 5

c) RARP (Reverse Address Resolution Protocol) 5

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