Loyola College B.Sc. Computer Science April 2012 Operations Research Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIFTH SEMESTER – APRIL 2012

CS 5402/5503 – OPERATIONS RESEARCH

 

 

Date : 27-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART-A

Answer ALL questions:                                                                                                               10 X 2=20

  1. Write a General form of LPP.
  2. What is optimal solution?
  3. Why we should prefer dual problem to solve LPP?
  4. Define traveling salesman problem.
  5. List out the methods of solving Transportation problem.
  6. Define Activity & Node
  7. What is a sequencing problem?
  8. What is setup cost?
  9. What is reordering level?
  10. When replacement is made?

 

PART-B

Answer All questions:                                                                                                                   5 X 8=40

 

11 a) ) A Company produces refrigerators in unit I and heaters in unit II. The two

products are produced and sold in a weekly basis. Weekly production cannot

exceed 25 in unit I and 36 in unit II. Formulate this problem as an LP model

(OR)

 

11 b Solve the following l.p.p  graphically.

Max  Z = 10 x1 +15x2

Subject to            2 x1 +x2     ≤ 26

2 x1 +4x2     ≤ 56

– x1 +x2     ≤ 5

                                                                                        x1 ,x2 ≥0

 

12 a) Construct  the dual to the primal problem

Minimum Z =  x1 +x2 +x3

Subject to         x1 –3x+4 x3      = 5

x1 -2x2       ≤   3

2 x2 – x3    ≥  4

                                                        x1 ,x2 ≥0 x3  unrestricted in sign.

 

 

(OR)

 

12 b) Obtain the initial solution of the following transportation problem by the north-west corner rule and matrix minima given that (i) the requirements are 40, 90 and 100 units and (ii) the supply are 90, 70  and 70.

 

  Source
Destination S1 S2 S3
D1 15 28 27
D2 24 24 25
D3 22 25 20

 

13 a) A department has five employees with  five jobs to be performed . From past records, the time (in hours) that each man take to do each job is known and given in the table

 

 

Employee
 

 

Jobs

I II III IV V
A 10 5 13 15 16
B 3 9 18 13 6
C 10 7 2 2 2
D 7 11 9 7 12
E 7 9 10 4 12

How should the jobs be allotted on per employee, so as to minimize the total number of hours

(OR)

13 b) Find the sequence that minimizes the total elapsed time required to complete the following tasks on two machines

 

Task           : A       B         C         D         E          F          G         H         I

Machine I  : 2        5          4          9          6          8          7          5          4

Machine II            : 6        8          7          4          3          9          3          8          11

 

 

 

14 a) A project consists of a series of activities called A,B,..,I with the following relationship<X,Y means X and Y cannot start until W is completed with this notation construct a network diagram having the following constraints.

A<D,E;  B,D<F;   C<G;   B<H;   F,G<I;

Time:     A       B         C         D         E          F          G         H         I

Activity:23      8          20        16        24        18        19        4          10

.

(OR)

14 b )  (i) Write down the difference between PERT & CPM.   (4)

(ii) Define the following terms:

a)dummy activity         b) total float                        .

 

15a)   Manufacture has to supply 600 units of his product/year. Shortages are not allowed and storage cost amounts to Rs.0.60/unit/year.The set up cost/run is Rs.80.Determine(i) optimum run size (ii) the minimum average yearly cost.

 

(OR)

 

15 b) The annual demand for an item is 3200 units. The unit cost is Rs. 6/- and

inventory carrying charges 25% per annum. If the cost of one procurement is

Rs. 150/- determine (i) Economic order quality (ii) time between two

consecutive orders   (iii) number of order per year (iv) the optimal total cost

PART-C

Answer any TWO                                                                             2 X 20=40

16 a) Use simplex method to solve the following L.P.P

Maximize  Z =  x1 +2x2+x3

Subject to        2 x1 +x2 – x3    ≤ 2

-2 x1 +x2 -5x3     ≥-6

4 x1 +x2 +x3    ≤ 6

                                                                                        x1 ,x2 ,x3≥0

 

  1. b) Determine an initial basic feasible solution to the following transportation problem

by using (a) North west corner rule (b) Least cost method(c)Vogel’s

approximation.

 

Destination
 

 

Source

D1 D2 D3 D4 Supply
S1 21 16 15 3 11
S2 17 18 14 23 13
S3 32 27 18 41 19
 

Demand

 

6

 

10

 

12

 

15

 

 

17 a) Find the sequence that minimizes the total time required in performing the following    job on three machines in order ABC .A processing time (in hours) are given in the      following table.

Jobs     :1         2          3          4          5

Machine A      :8         10        6          7          11

Machine B       :5         6          2          3          4

Machine C       :4         9          8          6          5

 

 

 

  1. b) The project has the following time schedules.
Activity 1-2 1-6 2-3 2-4 3-5 4-5 6-7 5-8 7-8
t0 3 2 6 2 5 3 3 1 4
tm 6 5 12 5 11 6 9 4 19
tp 15 14 30 8 17 15 27 7 28
  1. Draw the Project Network
  2. Find the critical path.

.

 

18 a) A stockiest has to supply 12,000 units of a product per year to his customer. The

demand is fixed and known and the shortage cost is assumed is to be infinite. The

inventory holding cost is Re.0.20 per unit per month and the ordering cost per order

is Rs.350. Determine the following

(i) The optimum lot size q0

(ii) Optimum scheduling period t0

(iii) Minimum total variable yearly cost.

 

 

  1. b) )  Given the following data:
Job 1 2 3 4 5 6
Machine A 12 10 9 14 7 9
Machine B 7 6 6 5 4 4
Machine C 6 5 6 4 2 4

 

Order of Processing : ACB

Determine the optimal sequence & the total elapsed time associated with it.

 

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Loyola College B.Sc. Computer Science April 2012 Operating System Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIFTH SEMESTER – APRIL 2012

CS 5504/CS 5501 – OPERATING SYSTEM

 

 

 

Date : 25-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

ANSWER ALL THE QUESTIONS:                                                                      (10 x  2 = 20 marks)

 

  1. Define spooling.
  2. Define system call.
  3. What is meant by deadlock?
  4. What do you mean by recovery through rollback?
  5. Define memory compaction.
  6. What is meant by page fault?
  7. What is memory-mapped I/O?
  8.  What do you mean by cycle stealing?
  9.  Define shell scripts.
  10. What are the file types available in Linux file system?

 

 

PART-B                                             (5 x 8=40 marks)

 

ANSWER ALL THE QUESTIONS:

 

  1. a) Explain the layered systems design in the operating system structure.

(OR)

  1. b) List out the POSIX system calls associated with the file management.

 

  1. a) Discuss about the banker’s algorithm for a single resource.

(OR)

b)Explain  the OSTRICH algorithm in the process of  deadlock.

 

  1. a) Differentiate between Paging and segmentation.

(OR)

  1. b) Explain the structure of a Page Table Entry.

 

  1. a) What are the goals of the I/O software?

(OR)

  1. b) Describe in detail about the RS-232 Terminal Hardware.

 

  1. a) Describe some common file extensions in the file naming mechanism.

(OR)

  1. b) Explain the most common system calls relating to files operations.

 

 

PART-C

 

ANSWER ANY TWO QUESTIONS:                                                                    (2×20=40 marks)

 

  1. a) Explain the deadlock Modeling with an appropriate figures.

 

  1. b) Describe the file system supported by virtually all operating systems.

 

  1. a) Discuss in detail about any five page replacement algorithms.

 

  1. b) Describe the sequence of events involved in page fault handling.

 

  1. a) Explain the Disk Arm scheduling algorithms.

 

  1. b) Explain the Win32 Application Programming Interface in Windows 2000.

 

 

 

 

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Loyola College B.Sc. Computer Science April 2012 Object Oriented Programming With C++ Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

THIRD SEMESTER – APRIL 2012

CS 3502 – OBJECT ORIENTED PROGRAMMING WITH C++

 

 

 

Date : 24-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

        PART- A                                                  

Answer all the questions:                                                                                          (10×2=20 Marks)

 

  1. Define Friend function.
  2. List out the C++ tokens.
  3. What is a constructor?
  4. What is the use of Dynamic constructor?
  5. Differentiate overloading and overriding.
  6. Define pointers.
  7. What is a stream class?
  8. Give the use of input and output stream.
  9. Define class template.
  10. List out the Keyword used for handling exceptions.

 

PART-B

Answer all the questions:                                                                                           (5×8=40 marks)

 

  1. a) Benefits of object oriented programming.

(or)

  1. b) Explain pure virtual function with example.

 

  1. a) Write a C++ program to find the area of rectangle & square using constructor and

           destructor.

(or)

  1. b) Write about Multiple constructors with an example.

 

  1. a) Explain about various types of inheritance with suitable example.

(or)

  1. b) Explain the use of ‘This’ pointer with an example.

 

  1. a) Explain about I/O stream classes in C++.

(or)

  1. b) Discuss about the various modes a file can be opened in C++.

 

  1. a) Explain about Function templates.

(or)

  1. b) Write a C++ program using function template to find the maximum among two number in

          integer, float & double.

 

PART-C                                                                  

Answer any TWO questions:                                                                                   (2×20=40 Marks)

 

  1. a) Explain the basic concepts of object oriented programming language in detail.
  2. b) Write a C++ program to calculate the Fibonacci series using class.

 

  1. a) Explain the types of constructor with an example.
  2. b) Write a C++ program to calculate the net pay using constructor & destructor.

 

  1. a) Explain in detail about exception handling with suitable example.
  2. b) Explain class templates with an example.

 

 

 

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Loyola College B.Sc. Computer Science April 2012 Knowledge Based Domain Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMMERCE

FOURTH SEMESTER – APRIL 2012

CS 4204 – KNOWLEDGE BASED DOMAIN

 

 

Date : 19-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

SECTION – A

ANSWER ALL THE QUESTIONS:                                                                                          (10*2=20)

 

  1. What is Knowledge?
  2. Define the two types of Knowledge.
  3. Write down any four differences between Information and Knowledge.
  4. List down the filters that are used to converts data to information.
  5. Define Process.
  6. What is Service Blue printing?
  7. What is Business Plan?
  8. Write down the definition for Staffing.
  9. Define the term ESOP’s.
  10. What is Knowledge Based firm?

 

SECTION –B

ANSWER ALL THE QUESTIONS:                                                                                           (5*8=40)

 

  1. (a) What is value that Knowledge Management brings into our Business? Explain in

Detail.

(OR)

(b) Explain briefly about  creating a Knowledge Edge.

 

  1. (a) How data’s are converted into Knowledge?

(OR)

(b) Write down the differences between Tacit and Explicit Knowledge.

 

  1. (a)Write a Short Notes on Customer utility model.

(OR)

(b)What are all causes of New Product Failures? Explain in detail.

 

  1. (a) Explain about the stages involved in Sales Management.

(OR)

(b) Write short notes on Expense Management.

 

  1. (a) How to make money from Knowledge? Explain in detail.

(OR)

(b)Explain about Knowledge growth Model of the firm.

 

 

SECTION – C

 

ANSWER ANY TWO QUESTIONS:                                                                                      (2*20=40)

 

  1. (a) Explain in detail about Drivers in Knowledge Management.

(b) Discuss about The levels of Professional Knowledge.

 

  1. (a) Elaborate in detail About Process Design.

(b) How to Developing a Performance Appraisal? Explain in detail.

 

  1. (a) Discuss in detail about How Knowledge Management Are used in Organization

With an example.

(b) Explain in detail about New Product Development.

 

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Loyola College B.Sc. Computer Science April 2012 Introduction To Data Communication Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIFTH SEMESTER – APRIL 2012

CS 5506 – INTRODUCTION TO DATA COMMUNICATION

 

 

 

Date : 30-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

ANSWER ALL THE QUESTIONS:                                                                     (10 X 2 = 20 Marks)

 

  1. What are the key elements of a protocol?
  2. Define topology.
  3. What are the functions of data link layer?
  4. Define periodic signal.
  5. Define Modem.
  6. What are the functions of DCE?
  7. Define transmission media.
  8. What is unguided media?
  9. What is the purpose of hamming code?
  10. List out the categories of  Multiplexing.

 

 

PART-B

 

ANSWER ALL THE QUESTIONS:                                                                        (5 X 8 = 40 Marks)

 

  • a) Describe the characteristics and components of data communication.

(OR)

  1. b) Write Short notes on following:
  2. i) Internetworks
  3. ii) Categories of networks

 

  • ) Explain the functions of transport layer.

(OR)

  1. b) Discuss the difference between Analog signals and Digital signals.

 

  • a) Discuss the two types of Biphase encoding techniques.

(OR)

  1. b) Briefly explain the two methods of serial transmission.

 

  • a) Write short notes on Bell Modem standards.

(OR)

  1. b) Explain Fiber optic cable with its advantages and disadvantages.

 

  • a) Discuss the Frequency Division Multiplexing in detail.

(OR)

  1. b) Describe the various types of errors in data transmission.

 

 

 

PART-C

 

ANSWER ANY TWO QUESTIONS:                                                                    (2 X 20 =40 Marks)

 

  • a) Explain the following network topologies with its merits and demerits.
  1. Mesh  2.Star              3. Ring
  2. b) Explain the functions of various layers of OSI Model.

 

  • a) Discuss in detail about NRZ, RZ encoding techniques.
  1. b) Explain the twisted pair and Coaxial cable of guided media in detail.

 

  • a) Describe the types of transmission modes and line configuration.
  1. b) Discuss the Vertical Redundancy Check error detection method with examples.

 

 

 

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Loyola College B.Sc. Computer Science Nov 2012 Software Engineering Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIFTH SEMESTER – NOVEMBER 2012

CS 5505/CS 5502 – SOFTWARE ENGINEERING

 

 

 

Date : 03/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

(10 x 2=20)

Answer all questions:

 

  1. Define Software Engineering.
  1. What are the types of software metrics?
  1. What is the difference between the “Known Risks” and Predictable Risks”?
  1. What are the benefits of prototyping?
  1. Define System Flow Diagram [SFD].
  1. Define: Data dictionary.
  2. What is cohesive module?
  3. What are the advantages of evolutionary prototyping?
  1. What are the Attributes of Good Test?
  1. What is debugging?

 

PART – B

(5 X 8=40)

Answer all questions:

 

  1. (a) What are the various categories of software? Explain.

(OR)

(b)Discuss about the software project planning.

 

  1. (a) Explain about the requirement analysis task.

(OR)

(b)Explain about the software risks.

 

  1. (a) Discuss about the ERD and DFD with an example.

(OR)

(b) Explain about the elements of analysis model.

 

  1. (a) What are the different types of cohesion? Explain with an example.

(OR)

(b) Explain the design principles.

 

  1. (a)Discuss about the Debugging concepts in detail.

 

(OR)

 

(b)Explain about the McCall’s quality factors.

 

PART – C

(2* 20=40)

Answer any two questions:

 

  1. (a) Explain iterative waterfall and spiral model for software life cycle and various

activities in each phase.                                                                                               (10)

 

(b) Explain about the software prototyping model.                                                        (10)

 

 

  1. (a)Explain in detail about the JSD and SADT .             (10)

 

(b) Explain the effective modular design.                                                                                    (10)

 

 

  1. (a) Explain about the testing fundamentals. (10)

 

(b) Discuss about the black box testing in detail.                                                           (10)

 

 

 

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Loyola College B.Sc. Computer Science Nov 2012 Programming In C Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc., DEGREE EXAMINATION – COMPUTER SCI. & COMPUTER APP.

FIRST SEMESTER – NOVEMBER 2012

CS 1501/CA 1501/CS1500 – PROGRAMMING IN C

 

 

 

Date : 08/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 1.00 – 4.00

 

PART – A                                         

Answer ALL the questions:                                                                                     10 x 2 = 20 marks

           

  1. Define Identifiers.
  2. Write the use of conditional operator to form conditional expressions.
  3. What is the purpose of ‘putchar’ functions?
  4. What is the use of break statement?
  5. Define Recursion.
  6. What is an external variable?
  7. Define pointers.
  8. What is a structure?
  9. Write the primary advantage of using a data file.
  10. What is a stream pointer?

 

PART – B                                         

Answer ALL the questions:                                                                                     5 x 8 = 40 marks

           

  1. a) Draw a flowchart to display the largest of three numbers.

                                    (OR)

  1. b) Write notes on the data types available in C.

 

  1. a) Explain about Input and output functions in C.

                                    (OR)

  1. b) How does a while statement differ from do while statement? Explain with an example.

 

  1. a) Describe the different storage classes available in C

                                    (OR)

  1. b) How arrays are passed as argument to a function? Give example.

 

  1. a) With an example explain about the passing pointers to functions.

                                    (OR)

  1. b) Explain about the self referential structures.

 

  1. a)  Explain how to open and close a data file in C.

                                    (OR)

  1. b) Write any two input operations used in files.

 

 

 

PART – C                                         

Answer any TWO questions                                                                                    2 x 20 = 40 marks

 

  1. a) Explain the various operators in C with example.

 

  1. b) Write a C program to find the biggest of three numbers.

 

  1. a) Discuss in detail about the various looping statements in C.

 

  1. b) Write a recursive C program to calculate the factorial of a given number.

 

  1. a) Describe the File I/O function and their descriptions.

 

  1. b) Write a C program to swap the values using pointers.

 

 

 

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Loyola College B.Sc. Computer Science Nov 2012 Programming In C Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCI. & COMPUTER APP.

FIRST SEMESTER – NOVEMBER 2012

CS 1503/CA 1503 – PROGRAMMING IN C

 

 

 

Date : 08/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

Answer ALL Questions                                                                                                        (10×2=20)

 

  1. Write the rules to declare an identifiers.
  2. What are the two types of Assignment Operators?
  3. What is an Array?
  4. Define functions in C?
  5. What is global variable?
  6. What is Pointers?
  7. What are the types of linked lists?
  8. What is union?
  9. What is Command line arguments?
  10. What is the use of  # define in a C program?

 

PART – B

 

 Answer ALL Questions                                                                                                  (5×8=40)

 

  1.  a) Explain the different types of constants in C.

(OR)

  1. b) Write an algorithm to find the biggest of three numbers.

 

  1. a) Explain the different types of if statement with an example.

(OR)

  1. b) How to initialize one, two and multidimensional arrays? Explain with an example.

 

  1. a) Explain Recursion with an example.

(OR)

  1. b) Write the common string functions with an example?

 

  1. a) Write a C program to swap the values using pointers.

(OR)

  1. b) Explain (i) call by value (ii) call by reference.

 

  1. a) Explain various file operations in C programming.

(OR)

  1. b) Explain about Macro substitution.

 

PART – C

Answer ANY TWO Questions                                                                                 (2×20=40)

 

  1. a) Write the structure of C programming.

 

  1. b) Explain the different types of operators in C.

 

  1. a) Explain looping statement in detail with an example.

 

  1. b) Write a C program to add two matrices using function.

 

  1. a) Explain Array of structure and Array within the structure in detail.

 

  1. b) Write a note on Dynamic memory allocation.

 

 

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Loyola College B.Sc. Computer Science Nov 2012 Programming In C Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIRST SEMESTER – NOVEMBER 2012

CS 1505 – PROGRAMMING IN C

 

 

Date : 08/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

 

ANSWER ALL THE QUESTIONS:                                                                     ( 10 x  2 = 20 marks )

 

  1. Define typedef statement.
  2. Write the function used for the string input and string output.
  3. Define array.
  4. Write down the components of ‘for loop’..
  5. What are the functions that help in manipulating strings?
  6. What do you understand by a pointer to a pointer?
  7.  What is user defined function?
  8.  Define recursion.
  9. What are the different file handling functions?
  10. Define union.

PART – B

ANSWER ALL THE QUESTIONS:                                                                           ( 5 x 8=40 marks )

 

  1. a)Write the algorithm to display the largest of three numbers.

(Or)

  1. b) Describe the different format specifiers of scanf().

 

  1. a) Explain the significance of the break statement in the switch-case construct.

(Or)

  1. b) Explain in detail about the looping statements in C with examples.

 

  1. a) Write a C program using pointers to sort the vector elements in descending order.

(Or)

  1. b) How do you pass an array to a function? Give an example.

 

  1. a) Explain the concepts of pointers and functions.

(Or)

  1. b) Explain in detail about the storage classes.

 

  1. a) Explain about declaring and using structures within a structure with  an example.

(Or)

  1. b) Explain in detail about the error handling during Input/Output operations.

PART-C

 

ANSWER ANY TWO QUESTIONS:                                                                        ( 2×20=40 marks)

 

  1. a) Discuss about the data types used in C with an example.

 

  1. b) Write a C program to find out the smallest element in an array.

 

  1. a) What are functions in C? Explain the types of functions with an example.

 

  1. b) Describe in detail about string handling functions with suitable examples.

 

  1. a) Explain the various mode strings that can be passed as the second parameter to fopen.

 

  1. b) Explain command line arguments with an example.

 

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Loyola College B.Sc. Computer Science Nov 2012 Operating Systems Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc., DEGREE EXAMINATION – COMPUTER SCIENCE

FIFTH SEMESTER – NOVEMBER 2012

CS 5504 – OPERATING SYSTEMS

 

 

 

Date : 01-11-2012              Dept. No.                                        Max. : 100 Marks

Time : 9.00 – 12.00

 

PART –A

 

ANSWER ALL THE QUESTIONS:                                                                                  (10 X 2 = 20)

 

  1. Name the two modes in which the operating system functions.
  2. What is a system call?
  3. What is process table?
  4. What are the four conditions for deadlock occurrence?
  5. Define swapping
  6. What is the key idea behind segmentation?
  7. What is spooling?
  8. Define interrupt.
  9. What is a directory?
  10. List any four user interface utility program in unix.

PART – B

 

ANSWER ALL THE QUESTIONS:                                                                                  (5 X 8 = 40)

 

  1. a) What is an operating system? Explain.

(OR)

  1. b) Compare and contrast virtual machine and client server model.

 

  1. a) What is critical section? How semaphore helps in the execution of critical section?

(OR)

  1. b) Explain about the deadlock prevention techniques.

 

  1. a) How do operating system manage memory using linked list and bit vector? Explain.

(OR)

  1. b) Discuss in detail about LRU page replacement algorithms.

 

  1. a) Discuss about Direct memory access.

(OR)

  1. b) Explain about terminals.

 

  1. a)Explain in detail unix file system.

(OR)

b)Discuss about the various file allocation techniques.

PART – C

 

Answer any TWO Questions:                                                                                         (2 X 20 = 40)

 

  1. a) Discuss in detail about any two process scheduling algorithms.       (10 marks)
  2. b) Write note on deadlock recovery.                                                                   (10 marks)
  3. a) Discuss in detail about the Banker’s algorithm for deadlock avoidance. (10 marks)
  4. b) What is paging? Discuss about the hardware techniques used to implement

page tables.                                                                                                       (10 marks)

  1. a) Discuss in detail about principles of I/O software. (10 marks)
  2. b) Discuss in detail about Directories and its implementation in various operating

systems.                                                                                                                           (10 marks)

 

 

 

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Loyola College B.Sc. Computer Science Nov 2012 Object Oriented Programming With C++ Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

THIRD SEMESTER – NOVEMBER 2012

CS 3502 – OBJECT ORIENTED PROGRAMMING WITH C++

 

 

 

Date : 02/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

Answer ALL questions:                                                                                        (10 x 2 = 20 marks)

 

  1. What is object-oriented programming?
  2. List the keywords associated with exception handling.
  3. What do you mean by virtual function?
  4. Define Constructor.
  5. What is friend function.
  6. List the different file opening modes in C++.
  7. Define Exception handling.
  8. Define Polymorphism.
  9. List any four formatted I/O operations in C++.
  10. What is the use of seekg() and tellg() functions?

 

PART – B

 

Answer ALL questions:                                                                                  (5 x 8 = 40 marks)

 

  1. a) Explain the use of inline functions with an example.

(OR)

  1. b) Explain about static member functions.

 

  1. a) List out the rules of overloading operators.

(OR)

  1. b) Write about multilevel inheritance in detail.

 

  1. a) Compare the member functions and constructors.

(OR)

  1. b) Explain the differences between constructors and destructors.

 

  1. a) Explain the Exception handling in C++.

(OR)

  1. b) Explain virtual base classes.

 

  1. a) Explain unformatted I/O stream in C++

(OR)

  1. b) Write a C++ program to sort n numbers using templates.

 

PART – C

 

Answer any TWO questions:                                                                              (2 x 20 = 40 marks)

 

  1. Explain the Control structures in C++.

 

  1. a) Write about constructors in derived classes.

 

  1. b) Explain operator overloading with an example.

 

  1. a) Explain object oriented features in detail.

 

  1. b) Explain the different types of error occur in file processing.

 

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Loyola College B.Sc. Computer Science Nov 2012 Numerical Methods Using C Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – STATISTICS

THIRD SEMESTER – NOVEMBER 2012

CS 3203 – NUMERICAL METHODS USING C

 

 

Date : 09/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

ANSWER ALL THE QUESTIONS:                                                                                  (10 X 2 =20)

 

  1. List out any four header files in C.
  2. Give the syntax for conditional operator.
  3. What is the use of switch case statement?
  4. What is file?
  5. What is the use of Power method?
  6. Find out the determinant of the given matrix.

5   6  1

3   2  3

5   5  5

  1. Give the formula for Simpson’s 3/8 rule
  2. What is the use of Newton’s Interpolation Method?
  3. State the formula for Newton Raphson Method.
  4. List out any two methods used to find out the roots of the non-linear equation.

PART – B

ANSWER ALL THE QUESTIONS:                                                                                 (5 X 8 =40)

 

  1. a) Write short notes on operators used in C.

(Or)

  1. b) Explain scanf() statement with suitable example.

 

12.a) Write a C program to find out whether the given number is even or odd.

(Or)

  1. b) What is meant by recursion? Write a C program to find out factorial of n numbers using recursion.

 

13.a) Solve the system of equation using Gauss Elimination method.

X + Y + Z = 6

2X – Y = 3Z = 4

4X +5Y – 10Z = 13

(Or)

  1. b) Write a C program to find out Eigen value and Eigen vector.

 

 

  1. a) Write a C program to implement Simpson’s 1/3 rule .

(or)

  1. b) Write a C program to implement Lagrange’s Interpolation Method.

 

 

 

 

  1. a) Evaluate the following integral using trapezoidal rule.

dx/1+x2 with n = 4

(Or)

  1. b) Write a C program to implement Runge – kutta IInd order method.

PART – C

ANSWER ANY TWO QUESTIONS:                                                                    (2 X 20 =40)

 

  1. a) Write a C program to find out sum and average of n numbers.
  2. b) Explain the looping statements in C with suitable example
  3. a) Write a C program to solve the system of equation using Gauss Jordan method.
  4. b) Estimate the value of Cos θ at θ =1.15 using Newton forward interpolation formula with the help of the following table.

 

Θ 1.0 1.1 1.2
Cos θ 0.5403 0.4536 0.3624

 

  1. a) Write a C program to find out transpose of a given matrix.
  2. b) Compute the root of the given equation using Bisection method.

X2 – 4X -10 = 0 with the initial value -1 & -2

 

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Loyola College B.Sc. Computer Science Nov 2012 Mathematics For Computer Science Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCI. & APPL.

FIRST SEMESTER – NOVEMBER 2012

MT 1103 – MATHEMATICS FOR COMPUTER SCIENCE

 

 

Date : 03/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

 

 

 

Part A

Answer ALL questions:                                                                                                              (10X2 =20)

 

  1. Define Unitary Matrix.
  2. Write down the expansion of in terms of cosθ.
  3. If α and β are the roots of 2x2 + 3x +5 = 0, find α+β and αβ.
  4. Find partial differential coefficients of u = sin (ax + by + cz) with respect to x, y and z.
  5. Evaluate .
  6. Evaluate.
  7. Solve the differential equation (D2 +2D + 1)y = 0.
  8. Find the complete integral of
  9. Write the formula for Trapezoidal rule.
  10. Write Newton’s backward difference formula for first and second order derivatives.

 

 

 

Part B

Answer any FIVE questions:                                                                                                  (5 x8 = 40)

 

 

  1. Test the consistency of the following system of equations and if consistent solve

2x-y-z = 2, x+2y+z = 2, 4x-7y-5z = 2.

  1. Show that
  2. Solve
  3. What is the radius of curvature of the curve at the point (1,1).
  4. Show that .
  5. Evaluate: .
  6. Solve the equation.
  7. Find by Newton-Raphson method, the real root of, correct to three decimal places.

 

 

Part C

 

 

Answer any TWO questions:                                                                                                (2 x 20 = 40)

 

  1. Verify Cayley-Hamilton theorem for the matrix and hence find its inverse.

 

  1. (i) Evaluate: dx

(ii) Evaluate: .

(15+5)

  1. (a) Solve the equation .

(b) Solve q2 – p = y – x.

(14+6)

 

  1. (i) Solve  upto 3 decimals by using Regula-flasi method.

(ii) Evaluate  using Simpson’s 1/3rd rule with

(12+8)

 

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Loyola College B.Sc. Computer Science Nov 2012 Introduction To Data Communication Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIFTH SEMESTER – NOVEMBER 2012

CS 5506 – INTRODUCTION TO DATA COMMUNICATION

 

 

 

Date : 06/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A                                         

Answer ALL the questions:                                                                                     (10 x 2 = 20 marks)

           

  1. Define protocol.
  2. Write about star topology.
  3. Differentiate periodic signal and aperiodic signal.
  4. Define peak amplitude.
  5. What is meant by data encoding?
  6. Define Data Terminal Equipment.
  7. Write the use of Fiber-optic cable.
  8. Differentiate Radio wave and micro wave.
  9. Define Wave Division Multiplexing.
  10. What is meant by burst error?

                                

PART – B

 

Answer ALL the questions:                                                                                     (5 x 8 = 40 marks)

           

 

  1. a) List and Explain about the components involved in data communication system.

                                                            (OR)

  1. b) Write about the different transmission modes in detail.

 

  1. a) Write about the organization of the layers in the OSI model.

                                                            (OR)

  1. b) Explain about the Digital signals in detail.

 

  1. a) Explain about the analog – to – analog conversion.

                                                            (OR)

  1. b) Write notes on EIA232 standards.

 

  1. a)   Explain about the modem standards in detail.

                                                            (OR)

  1. b) Write about the advantages and disadvantages of optical fiber.

 

  1. a)  Explain about the Time Division Multiplexing.

                                                            (OR)

  1. b) Write about the Error correction.

 

PART – C                                         

Answer any TWO questions:                                                                                   (2 x 20 = 40 marks)

 

 

  1. a) Explain in detail about the categories of networks.

 

  1. b) Explain about the Functions of layers in detail.

 

 

  1. a) Discuss in detail the Data Terminal Equipment.

 

  1. b) Explain about the digital – to – digital conversion.

 

 

  1. a) Describe about the Frequency Division Multiplexing.

 

  1. b) Explain the following:
  2. i)   Parity Check
  3. ii) Cyclic Redundancy Check.

 

 

 

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B.Sc. Computer Science Web Authoring Tools Sample Paper 1 (English)

Web Authoring Tools –  Max Marks: 20

Note: The Question paper is divided into three sections A, B, and C. Write Answer as per the given instruction.

Section-A (Very Short Answer Type Questions)
Note: Answer all questions. As per the nature of the question you delimit your answer in one word, one sentence or maximum up to 30 words. Each question carries 1 mark. 4×1=04

  1. Who is known as the father of WWW (World Wide Web)
  2. What is full form of WWW?
  3. What is full form URL?
  4. What is full form of HTTP?

Section-B (Short Answer Questions)
Note: Answer any two questions. Each answer should not exceed 200 words. Each question carries 2 marks. 4×2=08

  1. What is Browser. Explain the two Browser.
  2. What is Web Server. Explain Common features of web server.
  3. Explain the use of Domain Name.
  4. What is the use of Portal?

Section-C (Long Answer Questions)
Note: Answer any one questions. You have to delimit your each answer maximum up to 800 words. Each question carries 08 marks.

  1. Explain Common features and path translation of web server?
  2. Explain the types of search engine?

B.Sc. Computer Science Computer Applications in Corporate World Sample Paper 1 (English)

Computer Applications in Corporate World – Max Marks: 20

Note: The Question paper is divided into three sections A, B, and C. Write Answer as per the given instruction.

Section-A (Very Short Answer Type Questions)
Note: Answer all questions. As per the nature of the question you delimit your answer in one word, one sentence or maximum up to 30 words. Each question carries 1 mark. 4×1=04

  1. What is translator?
  2. What is software?
  3. What is a program?
  4. What is a protocol?

Section-B (Short Answer Questions)
Note: Answer any two questions. Each answer should not exceed 200 words. Each question carries 2 marks. 4×2=08

  1. Define System Software?
  2. Explain operating System? Write the types of OS?
  3. What is language processor?
  4. What is the Bluetooth Technology? Write the advantages of Bluetooth Technology?

Section-C (Long Answer Questions)
Note: Answer any one question. You have to delimit your each answer maximum up to 800 words. Each question carries 08 marks.

  1. Explain the following commands:
    a) Sort b) recode c) format d) drop
    e) Rename f) keep g) label h) order
  2. Distinguish between:
    i) LAN, WAN, MAN
    ii) Asynchronous and Synchronous transmission
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