BSIT_Jun_2013

BSCIT - ET

B.Sc. (I T) Examination, May/June 2013(New Scheme)

(Directorate of Distance Education)ENTRANCE TEST

Time : 3 Hours Max. Marks : 100

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

PART-A

I. Read the following passage and answer the questions given at the end.Durga pooja is the most popular festival of West Bengal. It is a ten-day festival. It falls in the month of September or October. Beautiful idols Durga are made. People worship the goddess for nine days on the tenth day, the idols are taken out in big processions. They are then immersed in water that marks the end of the festival.

Questions:

1) Which is the most popular festival of West Bengal ? 1

2) In which month Durga festival falls ? 1

3) How is the Durga festival celebrated ? 2

4) What marks the end of Durga festival ? 1

II. Give the antonym (Opposite word) for each of the following words :1) Ability 2) Defendant 3) Humility4) Knowledge 5) Optional. (5x1=5)

III. Match the following :Group of words Single word1) That which no longer in use A) Verbose

2) Govt. by representatives of the people B) Orphan

3) A style full of words C) Obsolete

4) A child whose parents are dead D) Democracy

5) One who knows everything E) Omniscient 5

P.T.O.

BSCIT-ET -2- IV. Fill in the blanks with article a, an or the: (5x1 =5)

1) I am going to——————post office.

2) She would like to live in —————— old house.

3) This is —————— historical house.

4) He bought——————toy.

5) We elected him —————— chairman.

V. Fill in the blanks with right prepositions: (5x1=5)

1) Sarala is diving——————the water.

2) Ganesh is walking——————the sun.

3) The sports shop is —————— the bank.

4) The fly came in——————the door.

5) The passenger had to stand —————— a queue.

VI. In the following sentences identify the mistake and rewrite the sentences after making the correction. (5x1=5)

1) He is a honest man.

2) There is a restaurant over this floor.

3) He tried to swim opposite the stream.

4) The plane will soon arrive to Mumbai airport.

5) The doctor says you will benefit from a change of weather.

VII. Write a letter to your friend about the industrial visit that you made along withyour classmates. ( Do not reveal your identity) 12

VIII. Write an essay on the topic.'The impact of Internet on the society'". 8

-3- BSCIT-ET

PART-B

1. a) Find two numbers between which the square root of 235 lie. 5

b) What is the smallest number by when 392 must be multiplied to make the

product a perfect square. 5

1 x - 22. a) If A =

2x – 1 -1 is a symmetric matrix. Find x. 5

3 2 1 4b) If A = and B = then prove that AB ≠ BA. 5

1 4 5 2

3. a) Find the HCF of 2m2 + 32 + m3 + 1 and 2m + 1 + m2. 5

2 3 + 2b) Simplify 5

3 2 + 5

4. a) If 5(np3) = 4((n + 1)p5) find n. 5

b) Solve the quadratic equation 2x2 - 3x + 1 = 0. 5

5. a) Sum of a number and its reciprocal is 5—. Find the number. 5b) Find the square root of 3025 by factor method. 5

6. Solve the equation x2 - 4 = 0 graphically. 10

2x + 7 3x + 11 2x + 8 7. Solve 5 5 3 10

8. If two triangles are equiangular, then their corresponding sides are proportional. 10___________________

BSIT -11I Semester B.Sc. (IT) Examination, May/June 2013

(Directorate of Distance Education)PERSONALITY DEVELOPMENT PROGRAMME – I


Instructions: 1) Part A is compulsory.2) Answer any FIVE full questions from Part B.

PART-A

1. Write a note on communication skills. 3

2. Define vocabulary building. 3

3. What are writing skills, explain briefly. 3

4. List some of the checklist for revising drafts ? 3

5. What is topic sentence ? Why is it important ? 3

6. What are linking devices ? Why are they important ? 3

7. Give the objectives of writing good letters. 3

8. What is memorandum or memo ? 3

9. ________ means exchanging views through language or body language. 1

PART-B

1. a) What is the difference between language skills and communication skills ? 8

b) Write a note on the post interview retrospect. 7

2. a) Discuss why should words be learnt in context. 8

b) Why you think it is important to improve writing skills ? 7

3. a) Briefly write out a preparation plan for an interview for the job applied. 8

b) How to manage the time ? Explain. 7

P.T.O.

BSIT-11

4. a) Briefly explain some the important characteristics of successful people. 8

b) Define skill development and list some of the important steps in it. 7

5. a) Discuss how to learn to communicate. 8

b) Give the significance of vocabulary building. 7

8. a) Why should words be learnt in context ? 8

b) Define writing skills. What is the importance of acquiring writing skills ? 7

7. a) Writing is a reverse process of reading ? Discuss. 8

b) Write a letter to the station master of the nearest railway station complaining

against the theft of your suitcase during train journey. 7

8. a) How is memo different from letter discuss ? 8

b) What are the main differences between letters and emails ? Write at least

3 difference 7

______________

BSIT - 12

First Semester B.Sc. (I.T) Examination, May/June 2013(Directorate of Distance Education Scheme)

COMPUTER FUNDAMENTALS


Instructions: 1) Part A answer all questions.2) Part B answer any 5 full questions,

PART-A

Answer aH questions. (6x1 =6)

Fill in the blanks.

1. Keyboard is an __________ device.

2. The physical form of output is known as _____________

3. Scanner is an __________ device.

4. The programs which he!p in loading and linking object programs are called

5. Clock speed of computer is measured in _______________

6. __________ KB equal to 1024.

Answer the following questions.

7. What is an arithmetic logic unit ? 2

8. What are I/O devices in computer ? 3

9. What is internet ? 2

10. What is firewall ? Why it is needed ? 5

11. Listout all network topologies. 4

12. Name the different categories of computer language, 3

P.T.O.

BSIT-12

PART-B

1. a) Write the block diagram of a computer and explain the functional units of it. 9 b) Write the merits and demerits of computer. 6

2. a) What is cache memory ? Explain how it is different from main memory. 7 b) Explain the following secondary storage devices. 8 i) Floppy disk ii) Hard disk

3. a) What is software piracy ? Explain different types of software piracy. 8 b) Name and explain different types of virus in computers. 7

4. a) With a neat diagram explain assemblers, 8 b) Briefly describe the process of compilation. 7

5. a) Explain how clock speed and microprocessor type affects processing speed ? 7b) With your own examples explain procedure for converting binary number into decimal number. 8

6. a) Discuss OSI reference mode! in detail. 9 b) Explain the classification of networks based on transmission technology. 6

7. a) What is wireless network ? Explain in detail. 8b) What is client ? What is server ? Explain the client/server model with neat diagram. 7

8. Write short notes on : (5x3=15)a) NICb) WWWc) Operating system.

_______________________

BSIT - 13

First Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education Scheme)PROGRAMMING FUNDAMENTALS AND C

Time: 3 Hours Max. Marks : 100

Instructions: 1} Part - A : Answer all questions. 2) Part – B : Answer any 5 full questions.

PART-A

Aoswer all questions.

1. Define algorithm. Write symbols for indicating process and input/output in a

flowchart 4

2. What is a variable? Give the rules for variable declaration. 4

3. List the entire data types in C. 5

4. Distinguish between forma! variable and actual variable, 2

5. What are the advantages of recursion ? 3

6. What is a pointer ? How pointer is initiated ? Give an example. 3

7. Define global variable and local variable. 2

8. What is the difference between array and ordinary variable. 2

PART-B

1. a) Explain the general rules for flow charts. 8

b) Explain the basic structure of C program. 7

2. a) Describe arithmetic operators and logical operators in detail. 8

b) Write C program to illustrate use unary arithmetic operators. 7

P.T.O.

BSIT-13

3. a) Write about space requirements for variable of different data types. 8

b) Summarize the standard escape sequences in C. 7

4. a) Write a program to illustrate the use of switch statement. 8

b) Distinguish between getchar and scanf functions for reading strings. 7

5. a) Write a C program to identify largest of three numbers using ternary operator. 9

b) Distinguish between user defined function and predefined function. 6

6. a) Explain different ways of passing structure as arguments in functions. 7

b) Write a program to illustrate the concept of structure within structure. 8

7. a) Explain the process of declaring and initializing pointers. Give an example. 8

b) Explain the command line argument, 7

8. Write short notes on : (5x3=15)

a) Enumeration

b) Bitwise operator

c) Pseudo code.

____________________

BSIT-14

First Semester B.Sc. (I.T.) Examination, May/June 2013(Directorate ©f Distance Education Scheme)

BASICS OF TECHNOLOGY

Time: 3 Hours Max. Marks: 100

Instructions: 1) Part - A : Answer ail questions,2) Part - B: Answer any 5 full questions.

PART-AAnswer all questions.

1. Mark 1 computer is developed by 1

2. COBOL stands for 1

3. The first e-mail formulated by 1

4. Multitasking means 1

5. Open source software is described as 1

6. WWW stands for 1

7. Viruses and worms are called ____________ code. 1

8. ICT stands for 1

9. Assemblers and compilers are ____________ types software. 1

10. What is a computer ? List the different applications of computer. 4

11. How computers are classified ? 3

12. What is the difference between information and data ? 3

13. What is software ? What are the different categories of software ? 3

14. Define the following terms:

i) Freeware ii) Shareware iii) Firmware. 3

P.T.O.

BS1T – 14

PART-B

1. a) List and explain characteristics of a computer. 8

b) Discuss different classifications of computers. 7

2. a) What is a port ? Write a note on PC ports. 8

b) Name and explain various input and output devices of computer, 7

3. a) Discuss any five quality attributes for an information system. 9

b) Describe the role of information technology in business. 6

4. a) Explain the role of 9

i) Web designer

ii) Network administrator,

b) Describe the relationship between hardware and software. 6

5. a) What is software piracy ? Suggest tips to prevent software piracy. 8

b) Explain the functions of operating systems. 7

6. a) Write a note on FTP and Teinet. 9

b) Discuss the different categories of destructive programs. 6

7. a) Explain how e-commerce links customers, workers and suppliers. 6

b) Discuss the working principle of GPS system. 9


a) Bluetooth.

b) USB.

c) Security threats.

_________________

BSIT - 21

II Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education Scheme)

OPERATING SYSTEMS

Time: 3 Hours -; Max. Marks: 100

Instructions: 1} Part A : Answer all the questions.2} Part B: Answer any FIVE full questions.

PART-A 25 1. What is spooling ? Give example. 3

2. What is multiprocessor systems ? 3

3. What is file management ? 3

4. What is a process ? Discuss. 3

5. What is process scheduling ? 3

6. What is deadlock ? . 2

7. Define single and multiple allocation. 2

8. Explain attributes of a file. 2

9. List the types of allocation methods. 2

10. What is disk scheduling ? 2

PART-B

1. a) What is a operating system ? Discuss the components of a computer system. 8

b) What is distributed system ? Explain. 7

2. a) List the components of an operating system. Explain any two in detail. 8

b) Define the essential properties of the following operating system : 7

i) Batch

ii) Timesharing

iii) Real time. P.T.O.

BSIT – 21

3. a) List the services provided by the operating system. Explain how each provides

convenience to the user. 8

b) What is the main advantage of layered approach to system design? 7

4. a) What is process control block ? With a diagram explain. 8

b) Differentiate between preemptive and non-preemptive scheduling. 7

5. a) What is semaphores ? Discuss with example. 8

b) What is critical section ? Explain in detail. 7

6. a) What is swapping ? With a diagram, explain swapping of process. 8

b) What is fragmentation? Explain compaction in detail. 7

7. a) Differentiate between logical and physical addresses. 8

b) Describe the following allocation algorithms. 7

a) First fit.

b) Best fit

c) Worst fit.

8. a) Explain the concept of a file. Discuss in brief the following with respect to a

file. 8

i) Attribute of a file.

ii) Operations on a file.

b) What is linux operating system ? Discuss the components of Linux operating

system. 7

__________________

BSIT - 22

II Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education Scheme)

DATA STRUCTURES USING C . .


Instructions: 1) Part A - answer all the questions.2) Part B - answer any FIVE questions.

PART-A 25.

1. What is a array? 3

2. What is a string ? - ~ . 3

3. What is a structures ? Give example. 3

4. List the classification tiles. 3

5. Classify data structures. 3

6. What is recursion ? 2

7. List the application of queues. 2

8. What is merge sort ? 2

9. List the advantages of binary tree. 2

10. Define linear search. 2

PART-B (15x5=75)

1. a) What is pointer ? Discuss the advantages and disadvantages of pointer. 8

b) Discuss the dynamic allocation and de allocation of memory. 7

2. a) Write a C-program to accepts data of a student from the keyboard and that data is transferred to the file “Student.txt” 8

b) What is random access files ? Explain. 7

P.T.O.

BSIT-22

3. a) What do you mean by complexity of an algorithm ? Explain. 8

b) What is a stack ? List the stack applications. 7

4. a) Write a Oprogram to convert the infix to pre-fix expression. 8

b) Explain the advantages and disadvantages of queues. 7

5. a) Explain how the queue is Implemented using array. Write a C-program for

the same. 8

b) What is link list ? Discuss the components of link list. 7

6. a) Compare and contrast between single link list and double link iist. 8

b) Write a C-program to implement queue data structure using single link iist. 7

7. a) What is complete binary tree ? Discuss the traversais of binary tree. 8

b) Write a C-program to construct a binary search tree. 7

8. a) What is searching and sorting ? Explain binary searchjjsing recursive

method. 8

b) Explain how the bubble sort technique can be used to arrange names in an

alphabetical order. 7

______________________

BSIT - 23Second B.Sc. (IT) Examination, May/June 2013

(Directorate of Distance Education Scheme)DATA COMMUNICATION


Instructions: 1) Part A: Answer to alI the questions. 2) Part B: Answer any FIVE full questions.

PART-A 25

1. What is transmission system ? 3

2. What is OS land TCP/I protocol? 3

3. What is continuous and discrete single ? 3

4. What is multiplexing ? 3

5. What is circuit switching ? 3

6. What is cyclic redundancy check ? 2

7. Why flow control required ? 2

8. Explain MAC frame format. 2

9. What is topologies ? 2

10. What is FDDI? 2

PART-B (15x5=75)

1. a) Discuss the different entities involved in a simple communication networkmodel. 8

b) List the categories into which communication networks are classified. 7

2. a) Explain the concept of protocol. 8

b) Define the following terms with respect to communications. 7 i) Receiver ii) Channel

iii) Packet iv) Layer

P.T.O.

BSIT-23

3. a) What is a periodic single ? Explain. 8

b) Briefly discuss why digital i transmission Is preferred over analog transmission. 7

4. a) What is modem ? Explain how higher data rates achieved in modem 8

b) List the different guided transmission mediums. Discuss properties of optical fiber cable. 7

5. a) Discuss error detector system. What are the limitations of error detector system ? 8

b) List various ARQ protocols. Discuss at least two of them. 7

6. a) Why flow control is required ? Discuss sliding window flow control mechanism. 8

b) What is HDLC ? Discuss the basic characteristics of HDLC. 7

7. a) What protocol controls access to the transmission media in a LAN ? Explain. 8

b) Discuss the development of CSMA/CD technology. 7

8. a) Discuss token ring MAK protocol. What is the principal disadvantages of the token ring. 8

b) What is FDDl, in practice how it is used ? Explain. 7

________________

BSIT - 24II B.Sc. (IT) Examination, May/June 2013

(Directorate of Distance Education Scheme)BASICS OF DBMS

Time: 3 Hours Max, Marks : 100

Instructions: 1) Part A - Answer all the questions.

2) Part B - Answer any FIVE full questions

PART-A

Answer all the questions.

1. What are the advantages and disadvantages of relational model ? 4

2. What is a record ? Give its structure with an example. 4

3. Explain weak entity type with an example. 5

4. List the properties of relational tables. 4

5. What is the differences between static files and dynamic files? 5

6. What is the importance of statistical database security ? 3

PART-B

Answer any FIVE questions.

1. a) Define database. Explain the components of database system. 6

b) Explain the role of database administrator. 6

c) Differentiate between file management and database management. 3

2. a) Explain information structure hierarchy for file processing with a neat diagram. 7

b) Describe the 3 tier DBMS architecture. 8

3. a) Explain hashing techniques. 8

b) Explain advantages and disadvantages associated with sequential organization of files. 7

P.T.O.

BSIT-24

4. a) With the help of an example, explain entity relationship diagram. 7

b) Define entity and attributes ? Explain types of attributes with suitable example. 8

5. a) What is bucker ? Explain. 6

b) Explain the methods available for collision resolution. 9

6. a) What do you mean by database security ? Explain.

b) Explain the issues to be addressed in database security. 7

7. a) Define network model. Explain the advantages and disadvantages. 6

b) What Is hashing ? Describe different hashing with example. 9

8. a) Explain different types of bars available. When database windows in opened ? 3

b) Explain briefly the following operations. 12

i) Find a value

ii) Find and replace a value

iii) Create and apply a filter

iv) Sort records

v) Create query

vi) Modify fields in a table._________________

BSIT – BC

B.Sc. (IT.) Examination, May/June 2013(New Scheme)

(Directorate of Distance Education)BRIDGE COURSE


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

PART-AAnswer all questions. 25

1. Describe an algorithm. 3

2. Describe different types of programming languages. 3

3. What is variable and constant? Explain. 3

4. List out various searching techniques. 3

5. Differentiate software and hardware. 3

6. Mention the structure of 'for' loop of 'C! programming language. 3

7. Describe the recursion. 3

8. Describe the sorting types. 4

PART-B

Answer any FIVE full questions. (15x5=75)

1. Explain the steps for executing the 'C! program. Why we need compilers,

assembler editors ? 15

2. What do you mean by control ? Compare and contrast IF and SWITCH

statement. 15

P.T.O.

BS!T – BC

3. Given the infix expression : (A + B) * C/D - F convert it into prefix and postfix

expression. 15

4. Write a 'C' program to implement singly linked fist operations, insert and display. 15

5. Define file. What are the modes to open a file ? Explain different operations done

on file. 15

6. Write a 'C' program to concatenate two string without using library function. 15

7. Define protocol. Discuss briefly the protocol architecture with neat diagram. 15

8. What is Bandwidth ? Discuss co-axia! cable as a transmission media, 15

______________________

BSIT - 31

III Semester B.Sc. (IT) Examination, May/June 2013 (Directorate of Distance Education Scheme)

PERSONALITY DEVELOPMENT PROGRAMME – II


Instructions: 1) Part - A : Answer all the questions from Part - A : 25 Marks.2) Part - B: Answer any FIVE full questions. Each carries 15 marks. 05x15=75 Marks.

PART-A

I. Answer all the questions. (5x1=5)

1) What is your Goal ?

2) Define letter and its types.

3) What are communication skills ?

4) What is meant by non verbal communication ?

5) Define self-confidence.

II. Answer all the questions. (10x2=20)

1) Writing is a reverse process of reading. Discuss.

2) Write about career planning.

3) What are the reasons for rejection in interview ?

4) List out your strengths.

5) What are the linking devices ? Why are they important ?

6) List out your good qualities pertaining to Human Engineering.

7) What are the characteristics of successful people ?

8) How to improve communication skills ?

9) What are the difference between the language of speech and the language of writing ?

10) Write a note about method of presentation.

P.T.O.

BSIT – 31

PART-B

Answer any FIVE questions:

1. a) Give some tips for surviving an interview. 8

b) Explain basic strategies which have helped successful people in their careers. 7

2. b) List out your short-term and long term goals in your professional life. 7

3. a) Write a paragraph on 'E-mail and Telephone differ in many ways'. 9

b) How you will get prepared for the interview ? 6

4. a) List out your good qualities pertaining to Human Engineering. 8

b) Explain Herzberg's motivation-hygiene theory. 7

5. a) Convert the following onto interrogative sentences: 8

I) Ram has not paid the telephone bill,

ii) Mary did not come to school today.

iii) The school is reopening on August 1,2005.

iv) The suicide bombers escaped from the police,

b) What is the difference between Personal Letters and Official Letters ? 7

6. a) Explain any four reasons why English is important for us ? 5

b) Explain twelve tips for time management. 10

7. a) Write a letter to the Sub Inspector of Police, to complain about theft of yourMotor Cycle. 10

b) Which are the sub skills of writing ? 5

8. a) What is cohesion ? Why is cohesion important in a paragraph ? 6

b) Write a note about presentation. 9

_________________

BSIT - 32III Semester B.Sc. (IT) Examination, May/June 2013

(Directorate of Distance Education Scheme)RDBMS


Instructions: 1) Part A - Answer to all the questions.2) Part B - Answer any FIVE full questions. Each questions carries 15 marks.

PART-A

1. What are the components of DBMS ? Explain. 3

2. What is a data model ? Explain. 3

3. What is non procedural language ? 3

4. What is a query language ? 3

5. What are tuple variable ? 3

6. How do you create views ? 2

7. Explain how you start microsoft access. 2

8. Define data representation. 2

9. What is data independence ? 2

10. What is a primary key ? 2

PART-B

1. a) Explain multimedia and special purpose data bases. 7

b) Explain briefly five phases of database development life cycle. 8

2. a) Explain the symbols used to draw E-R diagram. 7

b) With the help of an example explain the E-R diagram. 8

3. a) What are assignment operations ? Write examples. 7

b) What do you mean by composition of relational operations ? Give example. 8

P.T.O.

BSIT-32

4. a) What is the difference between the select clause of relational algebra and that of SQL? 7

b) Explain various types of data base modification operations. 8

5. a) Explain how a table is created, saved and closed. 7

b) How a report is created ? Explain. 8

6. a) What do you mean by database security ? Explain. 7

b) Explain how DBA is responsible for securing data in the database. 8

7. a) How is inner join operation different from outer join operation? 7

b) Explain how forms can be used to view, add delete and records. 8

8. a) What are the three schemas associated with DBMS ? Explain. 7

b) Explain different types of attributes giving example. 8

__________________

BSIT – 33

III Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education Scheme)

OOPS WITH C++


Instructions: 1) Part A answer to all the questions.2) Part B answer any FIVE full questions.

PART-A (25 Marks)

1. What is constants ? Explain. 3

2. Define volatile qualifiers. Explain with example. 3

3. What is a array ? Explain the types of array. 3

4. What is enumerated data types ? 3

5. What is a operator ? Give example. 3

6. Explain type casting. 2

7. What is in-line function ? Give example. 2

8. What is a modular programming ? 2

9. What is destructors ? Explain. 2

10. What is encapsulation ?

PART-B (15x5=75 Marks)

1. a) Discuss the classification of C++ data types 8

b) What is a pointer ? Discuss the pointer types. 7

2. a) What is shift operator ? Explain, 8

b) Discuss iteration method in detail. 7

P.T.O.

BSIT-33

3. a) What is algorithms ? Discuss the properties of an algorithms. 8

b) What is a function ? Discuss the need for functions. 7

4. a) With example explain the iteration statements in C++. 8 b) Explain

(i) For statement (ii) While and do while statements. 7

5. a) What is a main function ? Explain built in functions in detail.

b) What is recursion ? Write a program for factorial of 'n' number. 7

6. a) What is static member function ? Write a program using a static data members. 8

b) What is friend function ? Discuss the special characteristics. 7

7. a) What is a constructor ? List the characteristics of constructors. 8

b) What is a function overloading ? Discuss the declaring overloaded functions. 7

8. Write a short note on : (5+5+5=15)

a) Structures

b) Properties of algorithms

c) Scope rules and storage classes.

_____________________

BSIT – 34

III Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education Scheme)

COMPUTER NETWORKS


Instructions: 1) Part A : Answer all the questions from Part A-25 Marks.2) Part B: Answer any FIVE full questions. Each carries 15 Marks.

(5x15=75)PART-A

Answer all the questions.

I. Fill in the following blanks with suitable word : (5x1 =5)1) The _____________ layer is responsible for delivering data frames from one station

to next without error.

2) The minimum length of IP datagram is ___________ bytes.

3) FTP is used to transfer ____________ from one host to another.

4) UDP is an acronym for ____________

5) TCP offers ____________ oriented protocol.

II. Answer the following:6) What are the functions of network layer ? Explain. 3

7) What are private networks ? 3

8) Explain Three-way Handshaking. 4

9) Explain the concept of Multiplexing and Demultiplexing in TCP. 4

10) Write a brief description about Client-Server model. 6

PART-BAnswer any FIVE questions:

1. a) Explain the OSI Reference Model. 10

b) Give the differences between OSI and TCP/IP Models. 5

2. a) Explain the functionalities of session layer of OSI Model. 10

b) What are multicast, unicast and broadcast addresses ? 5

P.T.O.

BSIT-34 3. a) Explain different classes of IP address. 9

b) Write a note on Internet Protocol. 6

4. a) Explain IP DATAGRAM. 8b) Explain ICMP message format. 7

5. a) Explain error control mechanism in TCP. 8b) Explain ARP Packet format. . 7

6. a) Write a brief note about direct and indirect routing. 5b) List and explain various UDP operations. 10

7. a) Explain TCP Segment. 10b) What is checksum ? Describe how checksum is calculated for the UDP

datagram. 5

8. a) Write a short note on FTP. 8b) Write a short note on importance of TCP. 7

_______________________

BSIT – 41

IV Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education)

ALGORITHMSTime: 3 Hours Max. Marks: 100

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

PART-A

Answer all questions. 25

1. Enlist the characteristic features of an algorithm. 3

2. What is problem solving ? Give an example. 2

3. What is pseudo code ? Give an example. 3

4. List out the merits and demerits of recursion. 2

5. What is recursion ? 3

6. What are the applications of recursion ? 2

7. What is binary tree ? 3

8. What is decision tree ? 2

9. Define expression tree. 3

10.Define sorting. 2

PART-B

Answer any FIVE full questions. 75

1. a) Explain the general steps involved in solving a problem using a suitable example. 8

b) Explain the queue operations. 7

2. a) What is linked list ? Explain singly linked list with a pictorial representation. 8b) What are the advantages of a circular queue ? 7

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3. a) Implement all stock and queue operations. 8

b) Design and develop algorithms for multiplying n integers. 7

4. a) Explain the general steps involved in solving a problem using a suitable

example. 8

b) Design and develop an algorithm for multiplying 'n' integers. 7

5. a) What are the serious short comings of the binary search method and sequential

search method ? 9

b) Explain straight selection sorting technique with an example.

6

6. a) Design an algorithm to find the reverse of a number. 8

b) Implement all stack and queue operations. 7

7. a) Explain concept and importance of recursion. 8

b) Design an algorithms for quick sort. 7

8. a) Design an algorithm for merge sort. 8

b) Design an algorithm to solve tower of Hanoi problem. 7

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BSIT – 42

IV Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education)

JAVA PROGRAMMING


Instructions :1) Part - A is compulsory.2) Answer any FIVE full questions from Part-B.

PART-A

1. a) What is a constructor ? What are its special properties ? (5x5=25)

b) Explain about string comparison.

c) What is a JAVA package ?

d) What is synchronization ? Why do we use it ?

e) What is a thread in JAVA ? Explain.

PART-B

1. a) What is multithreading? How does it improve the performance of JAVA? 8 b) List out primary goals of JAVA technology. 7

2. a) Distinguish between objects and classes. 8b) Describe inheritance as applied to OOP. 7

3. a) Explain with a simple example how to create, compile and run a program inJAVA. 8

b) Write a program in JAVA to calculate the perimeter of a rectangle. 7

4. a) What is type casting ? Why is it required in programming ? 8 b) Write a program using while loop to reverse the digits of the given number. 7

5. a) Compare in terms of their functions, while and for. 8 b) What are objects ? How are they created from a class ? 7

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6. a) What is inheritance and how does it help us to create new classes quickly ? 8 b) Distinguish between multiprocessing and multithreading. 7

7. a) What is a finally block ? When and how is it used ? Give a suitable example. 8 b) What are input and output streams ? Explain them with illustrations. 7

8. Write a short notes on : (5x3=15) i) Why Java is known as platform-neutral language ?ii) Constants in JAVA, iii) Applets.

_______________________

BSIT – 43IV Semester B.Sc. (I.T.) Examination, May/June 2013

(Directorate of Distance Education)UNIX AND SHELL PROGRAMMING


Instructions: All Part A questions are compulsory. Answer any FIVEfull questions in Part B.

PART-A

1. Grep command is used for ? Give an example. 2

2. Define shell script and subshell. 2

3. Can a directory be removed if it is not empty ? . 2

4. What is the meaning of multitasking ? 2

5. How to work with type command ? 2

6. How to remove repeated lines from a file. 5

7. Search all lines which do not end with semicolon. 5

8. Generate a code list by selecting departments from emp. list. 5

PART-B

1. a) Why does a computer require an operating system ? 7

b) How is UNIX different from other operating system ? 8

2. a) How do you kill a process running in the background ? 7

b) How do you stop and resume the scrolling of the screen display ? 8

3. a) How do you lock your terminal for 30 minutes ? 8

b) What are the different types of files in UNIX ? 7

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4. a) What are the different ways of inserting text using vi ? 8

b) How do you check a file for spelling errors ? 7

5. a) Create a new directory in your home directory and change to it. Display your

absolute path. 7

b) List the contents of the directory lessons date wise. 8

6. a) Create a file with at least 100 bytes and split it into files of 20 bytes each. 8

b) How to display only the lines common to two files ? 7

7. a) What are hard link and symbolic link ? List the difference between them. 8

b) How do you replace all the occurrences of the word printf with fprintf in a file ? 7

8. a) What are the function of the following commands. 8

i) Y

ii) :x

iii) ZZ

iv) w

b) How do you run a process in the background ? 7

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BSIT - 44IV Semester B.Sc. (IT) Examination, May/June 2013

(Directorate of Distance Education)SOFTWARE ENGINEERING

Time : 3 Hours Max. Marks : 100Instructions: 1) All Part A questions are compulsory.

2) Answer any FIVE full questions in Part B.

PART-A

1. Define Software Engineering. 2

2. Define risk management. 2

3. Give two graphical design notations. 2

4. What is internal documentation ? 2

5. Write any four characteristics of water-fall model. 2

6. What are specification language ? Give example. 5

7. What is base-line ? Give example. 5

8. What is prototyping ? Give its importance. 5

PART-B

1. Explain water-fall development model with a neat diagram with its advantages

and disadvantages. 15

2. What is coupling ? Explain the different types of coupling. 15

3. a) Explain s/w design principles. 10

b) List important approaches used in program debugging. 5

4. a) What us s/w testing ? Give its importance. 8

b) Explain the different kinds of software development team structure. 7

5. a) What do you mean by modularity ? Explain. 7

b) Explain Program Design Model (PDL) with example. 8

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BSIT-44

6. a) Define quality, quality assurance and quality control. 9

b) What are aggregate objects ? Give example. 6

7. a) Give important functions of SCM process. 5

b) Explain basic COCOMO model. 10

8. Write a note on ; (5x3=15)

a) Programming tools

b) Coupling

c) Software reusability.

_______________________

BSIT - 51Fifth Semester B.Sc. (IT.) Examination, May/June 2013

(CBC Scheme)(Directorate of Distance Education)

COMPUTER GRAPHICS AND MULTIMEDIA


Instructions: 1) Part -A is compulsory.2) Answer any FIVE full questions from Part - B.

PART-A 25

1. What is a computer graphics and interactive computer graphics ? 4

2. What is a pixel ? 1

3. What is a resolution ? 1

4. What is bitmap ? 2

5. What is aspect ratio ? 2

6. What is the significance of initgraphQ function ? 2

7. JPEG uses ________ compression technique. 1

8. Why we use scanner ? Name the different types of scanner. 5

9. What is sampling ? 3

10. Computer graphics can be classified into _____ and _____. 2

11. A photoshop file can contain both vector and raster data (True/False). 1

12. ______________ along the height and width of

bitmap image. 1

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PART-B (15x5=75)

1. a) Briefly narrate the history of graphics hardware technology. 8

b) Discuss the different applications of computer graphics. 7

2. a) Explain the working principle of the shadow-mask CRT. 8

b) Write a note on liquid crystal displays. 7

3. a) Discuss different input techniques for graphical interaction. 8

b) Compare the features of text and graphics mode. 7

4. a) Design a 'C' program to draw an Indian flag. 8

b) List the different graphics functions along with example. 7

5. a) What is multimedia ? Give different applications of multimedia. 8

b) With illustration narrate the origin and development of multimedia technology. 7

6. a) What is file format ? Explain different image file formats. 8

b) Give the steps to use the image printing utility of photoshop. 7

7. a) What is OpenGL? Describe the features of OpenGL. 8

b) Explain the function format of OpenGL. 7

8. Write a short note on : (5x3=15)

i) Display devices

ii) Tablets

iii) Rubber band methods.

______________________

BSIT - 52Fifth Semester B.Sc. (IT) Examination, May/June 2013

(CBC Scheme) (Directorate of Distance Education)WEB PROGRAMMING


Instructions: 1) Part A is compulsory.2) Answer any FIVE full questions from Part B.

PART-A 25

1. What is web ? What is the difference between intranet and internet ? 3

2. Explain GET and POST methods. 4

3. Write an HTML program for inserting image. 4

4. Write a syntax to create hyperlink. 2

5. List the rules for constructing XML tags. 5

6. What is query string ? Explain with example. 5

7. What is extra path information ? 2

PART-B (15x5=75)

1. a) "HTML is the language of web". Explain. 8

b) Explain the applications of web programming. 7

2. a) What is HTML? discuss different header tags with example. 8

b) Explain ordered lists and unordered lists. 7

3. a) Write a note on HTML tables. 8

b) Explain document object model. 7

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4. a) What are CGI environment variables ? Explain. 8

b) Explain different types of PEARL variables. 7

5. a) How to deploy web applications in Tomcat web server ? Discuss. 8

b) What is JSP ? Explain different JSP directives. 7

6. a) Briefly describe basic mechanism of web server. 8

b) Write a simple servlet program that generates HTML output. 7

7. a) What are cookies ? Explain in brief. 7

b) Explain session beans and entity beans. 8


i) Static Vs Dynamic web pages

ii) HTML ordered and unordered lists

iii) DTD.

_____________________

BSIT-53

Fifth Semester B.Sc. (IT) Examination, May/June 2013(CBC Scheme)(Directorate of Distance Education)

DATA WAREHOUSING AND DATA MINING

Time : 3 Hours Max. Marks: 100

Instructions: 1) Part A is compulsory.2) Answer any FIVE full questions from Part B

PART-A 25

1. Define data warehouse. 2

2. Distinguish between facts and dimensions. 3

3. Name one advantage and one disadvantage of equal segment partitioning. 2

4. Explain star-flake schema. 4

5. What is data mining 4

6. What are the issues of data mining 3

7. Which is the best schema for data mart 1

8. Name any three duties of schedule manager. 3

9. Data cleaning step removes ———:— and ———— data. 2

10. The first stage of data preparation is 1

PART-B (15x5=75)

1. a) With an example, explain the concept of view. 8

b) With diagram explain the data warehouse delivery process. 7

2. a) With diagram explain the architecture of query manager. 8

b) Explain multidimensional schema with neat diagram. 7

3. a) Discuss types of partitioning in detail with diagram. 8

b) What are the aspects to be looked into while designing the summary tables?

Discuss. 7

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BSIT-53

4. a) With suitable example, explain the concept of aggregation. 8

b) Explain the design of data mart in detail. 7

5. a) Explain the steps of data transformation and loading. 8

b) Explain query generation in detail. 7

6. a) List and explain the different types of process managers. 8

b) What kind of data can be mined ? Discuss. 7

7. a) Explain the steps of data cleaning. 8

b) Briefly discuss the applications of data mining. 7


i) Bayesian classification

ii) K-mean algorithm..

iii) Neural networks for data mining.

____________________

BSIT - 54Fifth Semester B.Sc. (IT) Examination, May/June 2013

(CBC Scheme) (Directorate of Distance Education)SOFTWARE QUALITY AND TESTING


Instructions: i) Part A is compulsory.II) Answer any FIVE full questions from Part B.

PART-A 25

1. What is testing ? 2

2. Describe the hurdles in testing. 3

3. What is FTR ? List the objectives of FTR. 5

4. List the differences between small and large team reviews. 4

5. Is code reviews are relevant to the software testing ? 1

6. What is black box testing ? 5

7. List the guidelines required for a typical testing during data entry. 4

8. Give one difference between verification and validation. 1

PART-B (15x5=75)

1. a) What are the approaches to testing ? Discuss. 8

b) Explain testing fundamentals. 7

2. a) With diagram, explain test information flow in typical software test life cycle. 8

b) Explain any eight types of software testing in detail. 7

3. a) Explain the activities of SQA plan. 8

b) What is the purpose of review meeting ? Explain. 7

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4. a) Explain CMM model in detail. 8b) What is white box testing ? Explain. 7

5. a) Explain different types of errors for inspection. 8b) Explain different ways of loops. 7

6. a) Explain the phases and guidelines for testing documentation. 8b) Explain the generic characteristics for software testing. 7

7. a) What is validation test ? Explain. 8b) Briefly explain the system testing. 7

8. Write a short note on :i) Automated testing tools. 8ii) Alpha and Beta testing. 7

___________

BSIT - 61VI Semester B.Sc. (IT) Examination, May/June 2013

(Directorate of Distance Education)BASICS OF .NET


PART-A

Answer all the questions. 25

1. With the help of an example list the different types of arrays supported by C#. 5

2. Explain delegates briefly. 5

3. Explain the importance of automatic memory management. 5

4. Give the classification of common data type system. 5

5. Write the general structure of C# program. 5

PART-B

1. a) Explain different layers of. Net frame work. 10

b) Explain with an example boxing and unboxing. 5

2. a) Define different preprocessor directives of C#. 7

b) Explain the following:

i) Multidimensional arrays

ii) Tagged arrays. 8

3. a) Write a program to show the demonstration of ADO.Net. 10

b) Explain static constructors in C#. 5

4. a) What is threading ? List the advantages of using threads. 7

b) What are interfaces ? Explain the use of interface with an example. 8

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5. a) Explain passing arrays using ref and out parameters. 8

b) Explain JIT compiling. 7

6. a) What is operator overloading ? Explain with an example. 8

b) Explain inheritance with an example. 7

7. a) With the help of an example explain checked and unchecked statements. 8

b) Explain the following:

i) Get type () method.

ii) Using Keyword ,

iii) Lock statement. 7

8. Explain the following: (5x3=15)

1) System namespace

2) .Net framework class library

3) Metadata and assemblies.

___________________________

BSIT – 62

VI Semester B.Sc. (IT) Examination, May/June 2013(Directorate of Distance Education Scheme)

E-COMMERGE


PART-A

Answer all the questions: 25

1. What is mean by integration of data ? 3

2. Define middle ware. 1

3. Explain the three stages of E-commerce on web. 5

4. Explain different operations carried out in E-commerce. 5

5. What is EFT? 1

6. What is digital signature ? Explain its importance in E-commerce. 4

7. What is order selection ? 1

8. List the OMC's (Order Management Cycle) generic steps. 5

PART-B

Answer any FIVE full questions: (5x15=75)

1. a) Explain the architecture framework of electronic commerce. 10

b) What are the normal constraint put on e-cash ? 5

2. a) List the various issues in E-payment system. 7

b) Explain mercantile models from the merchants perspective. 8

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3. a) Explain the primary elements of SCM. . . 8

b) What are the desirable characteristics of E-commerce ? 7

4. a) What do you mean by Value Added Networks (VAN) ? Explain. 7

b) Explain the legal and security aspects of EDI. 8

5. a) What are the two basic types of physical data security ? Explain. 7

b) Explain public key and secret key cryptography techniques. 8

6. a) Compare push and pull based supply chains. 8

b) What is Electronic pulse ? Explain. 5

c) List any two advantages of internet. 2

7. a) Draw and explain EDI business application layer. 7

b) Explain different security tools. 8

8. Write short notes on: . (3x5=15)

a) Secure socket layer

b) Electronic tokens in E-payment system

c) Viruses and worms.

_______________________

BSIT – 63

VI Semester B.Sc. (I.T.) Examination, May/June 2013(Directorate of Distance Education)

ADVANCED COMPUTER NETWORKS


PART-A

Answer all the questions: 25

1. What is the primary function of DNS ? List out different components of resource

record. 3

2. What is iterative resolution ? Give example. 3

3. OSPF stands for _______. 1

4. List the drawbacks of the current internet to drive the multimedia data. - 4

5. Name RIP's various stability features. 5

6. What is streaming ? Explain. 4

7. What is routing ? What are direct and indirect routing ? Give example. 5

PART-B

Answer any FIVE full questions. (5x15=75)

1. a) Explain briefly SMTP protocol. 6

b) Explain client side and server side events. When user click on a URL ? 9

2. a) Discuss the working of Pop 3 in an E-mail system. What are its limitations ? 7

b) Explain audio streaming process. 8

3. a) Discuss the features of real time protocol. 7

b) Briefly explain the WLAN architecture. 8

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4. a) What is an encryption ? Explain any one encryption method with a suitable

example. 10

b) Write a figure showing active and passive network security threats. 5

5. a) Give the format of OSPF packet and explain each field of it. 8

b) Compare 802.11 a and 802.11b protocol. 7

6. a) Explain BGP protocol. 7

b) Explain the following terms: 8

i) Modulation

ii) Carriers

iii) Signal strength

iv) Bandwidth.

7. a) Describe the three general types of crypt analytic attacks. 9

b) Explain the three dimensions along with cryptographic subsystems are

classified. 6


a) DNS system.

b) Multimedia on internet.

c) CSMA/CD mechanism.

____________________________

BSIT - 64VI Semester B.Sc. (IT) Examination, May/June 2013

(Directorate of Distance Education)COMPUTER ETHICS AND CYBER LAWS


PART-A

Answer all the questions: 251. Examine the social and ethical issues arising out of the presence of computers in the

workplace. 5

2. List all the primary assumptions of a legal system. 4

3. What are the essentials of a cyber contract ? 3

4. What is meant by an authorized access to a computer under provisions of IT Act 2000? 5

5. How is a professional code distinguished ? 3

6. Discuss the essentials of a valid contract. 5

PART-B

Answer any FIVE full questions: (5x15=75)

1. a) What is common law ? How does it differ from codified law ? 8

b) What are the fundamental conceptions regarding the evaluation of individual

actions ? 7

2. a) How is information privacy violated ? Discuss the privacy policy guidelines. 8

b) Discuss the different forms of computer crime. 7

3. a) What is the significance of legislation ? Explain. 7

b) There is no nexus between cyber space and real space. Comment. 8

4. a) Explain the role of E-commerce in the present business scenario. 8

b) What are the evidentiary presumptions of a secured electronic document. 7

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5. a) Discuss the policy approaches to privacy issues. 8

b) Explain the essentials of privacy preferences project (p3p) platform. 7

6. a) Discuss the classification of crimes under IT Act 2000. 8

b) Explain the process of encryption and decryption of data. 7

7. a) Explain the four classifications of ethical issues. 8

b) Explain different sources of law. 4

c) Describe computer hacking. 3


a) Intellectual property rights .......

b) Cyber Regulations Appellate Tribunal

c) EDUCOM.

______________________

Documents

BSIT_Jun_2013