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Course Code : CS-68
Course Title : Computer Networks
Assignment Number : BCA(5)-68/TMA/07
Maximum Marks : 10
Last Date of Submission : 15 th October, 2007

This is a Tutor Marked Assignment. All the questions carry equal marks. Answer all the questions. You may use illustrations and diagrams to enhance applications.

Question 1: (i) Briefly describe the MAC layer protocols in terms of topology, standards, channel access mechanism.

(ii) Find out that what type of LAN set up is there in your lab and describe the activation.

Question 2: Differentiate between analog and digital transmission. Give examples of each. What will be the trend in the future and why?

Question 3: Explain the following terms with appropriate examples:

  • Broadband
  • Port
  • Baseband
  • Virtual circuit
  • Datagram
Question 4: List four applications of ISDN (other than the course material) and elaborate in detail

 





Course Code : CS-68
Course Title : Computer Networks
Assignment Number : BCA(5)-68/Project/07
Maximum Marks : 15
Last Date of Submission : 30 th October, 2007

Question 1: Differentiate among different types of switching devices with appropriate examples. Where are these devices used? Sketch the schematic diagram of your study center lab showing these devices, servers and several nodes.

Question 2: What is the difference between ATM and ISDN? How does ATM Protocols work? Briefly describe it with the help of a diagram. ATM is used as internet backbone. Elaborate.

Question 3: List four important applications of the internet (other than the course materials). Describe it in detail.

 


Course Code : CS-69
Course Title : TCP/IP Programming
Assignment Number : BCA(5)-69/TMA/07
Maximum Marks : 10
Last Date of Submission : 15 th October, 2007

This is a Tutor Marked Assignment. Answer all the following questions. You may use illustrations and diagrams to enhance explanations.

Question 1: What do you understand by a domain name? How is a domain name translated to an equivalent IP address?

(2 Marks)

Question 2: What are the special IP addresses? Give the special IP address for loopback. (2 Marks)

Question 3: Why is TCP reliable and UDP unreliable protocol? (2 Marks)

Question 4: Explain the following with reference to

TCP/IP.

RARP.

OSPF.

TCP connection establishment / termination.

ICMP. (4 Marks)

 

 

 

Course Code : CS-69
Course Title : TCP/IP Programming
Assignment Number : BCA(5)-69/Project/2007
Maximum Marks : 15
Last Date of Submission : 30 th October, 2007

This is a Project Assignment. Answer all the following questions. All questions carry equal weightage. You may use illustrations and diagrams to enhance explanations.Make necessary assumptions wherever necessary.

Question 1: What are socket APIs? What are they used for? Write a program in C language that can transfer a string “Hello”, to another connected computer. After receiving “Hello”, the receiver should respond with  “Hai”.

Question 2: Differentiate between Socket and ServerSocket class.  Illustrate the use of Socket and ServerSocket class with the help of an example.                   

 

 

Course Code : CS-70
Course Title : Software Engineering
Assignment Number : BCA(5)-70/TMA/2007
Maximum Marks : 10
Last Date of Submission : 15 th October, 2007

This is a Tutor Marked Assignment. There are two questions in this assignment. Answer all the questions. You may use illustrations and diagrams to enhance explanations. All questions carry equal weightage.

Question 1 : Explain the following with examples:

a)Equivalence partitioning.

b )Boundary Value Analysis.

c) Cause-Effect Graphing Techniques.

d) Comparison Testing.

Question 2 : Explain what are the different methods of performing requirement analysis? Also, indicate which method is suitable for which type of projects

 





Course Code : CS-70
Course Title : Software Engineering
Assignment Number : BCA(5)-70/Project/2007
Maximum Marks : 15
Last Date of Submission : 30 th October, 2007

This is a Project Assignment. Answer the following question. You may use illustrations and diagrams to enhance explanations.

Question 1: Assume that you are appointed as Systems Analyst for a project titled Airline Ticket Reservation System. Develop an SRS (Software Requirements Specification) for the Airline Ticket Reservation System. Make assumptions, wherever necessary.

 





Course Code : CS-71
Course Title : Computer Oriented Numerical Techniques
Assignment Number : BCA (5)-71/TMA/2007
Maximum Marks : 10
Last Date of Submission : 15 th October, 2007

All questions in this Tutors Marked Assignment are compulsory and carries equal weightage. You may use examples illustrations or diagrams to support your answer

Question 1:       a)  If  is approximated as 3.14, find the absolute error,

                             relative error and relative percentage error.         

                         b)   Perform the five iterations of the bisection method to obtain the smallest positive root of the equation .

  c)      Apply Newton-Raphson’s method to determine a root of the equation f(x) = cos x – xex = 0.

                                               

d)  Solve the equations

                                   

using the Gauss elimination method.                                                              

 

Question 2:     a)  Consider the system of equations given below. Use the Gauss-Seidal       iterative method and perform three iterations.

 

                                                          

b)  Find the unique polynomial of degree 2 or less, such that f(0)=1, f(1)=3,   f(3)=55, using

 

(i)            the Lagrange interpolation

(ii)          the Newton divided difference interpolation.              

 

c)  Use Euler’s modified method to compute y for x=0.05 and x=0.1. Given that  with the initial condition X0=0, Y0=1. Give the correct result upto four decimal places.                                                                                          

d)  Using Runge-kutta method obtain y when x=1.1, given that y=1.2 when x=1 any y satisfies the equation dy/dx=3x+y2.                                                                                            




Course Code : CS-71
Course Title : Computer Oriented Numerical Techniques
Assignment Number : BCA(5)-71/Project/2007
Maximum Marks : 15
Last Date of Submission : 30 th October, 2007

All questions in this Tutors Marked Assignment are compulsory and carries equal weightage. You may use examples illustrations or diagrams to support your answer.

Question 1: Support your programs given below, with proper algorithms or flow charts; your program should have comments (comments should describe the flow of program with respect to the algorithm or flow chart)

a) Write a program in C to find a root using Bisection method.

b)Write a program in C to find a root using Newton Raphson Method.

c) Write a program in C evaluating the polynomial using Lagrange interpolation.

d) Write a program in C that determines the solution of differential equation by using Runge Kutta method.

 

 

Course Code                          :           BCS-061

Course Title                           :           TCP/IP Programming

Assignment Number              :           BCA(5)-BCS-061/TMA/2007

Maximum Marks                   :           10

Last date of Submission        :           15th October, 2007

 

This is a Tutor Marked Assignment.  Answer all the following questions. You may use illustrations and diagrams to enhance explanations. 

 

Question 1:     Suppose that a stop and wait ARQ system has a time out value that is less than the time required to receive an acknowledgement.  Sketch the sequence of frame exchanges that transpire between two stations when station A sends five frames to station B and no errors occur during transmission.    (2 Marks)

  Question 2:     What is a mail server?  Briefly explain specifying the protocols involved, how a sender can send a mail to the server and the recipient retrieves it from the server?                                        (2 Marks)

  Question 3:     Describe the various HTTP request methods.     (2 Marks)

  Question 4:     Write short notes on: 

(i)         ICMP.

(ii)       Client-Server model.

(iii)     Sockets.

(iv)     IP Telephony.                                                         (4 Marks)

 

 

 

Course Code                          :           BCS-061

Course Title                           :           TCP/IP Programming

Assignment Number              :           BCA(5)-BCS-061/Project/07

Maximum Marks                   :           15

Last date of Submission        :           30th October, 2007

 

 

This is a Project Assignment.  Answer the following question. You may use illustrations and diagrams to enhance explanations. Make necessary assumptions wherever necessary.

 

Question 1: Write a client and server program in C language, where client program interact with the Server according to a four-way handshake protocol as given below:

 

i           The client begins by sending a request,

ii         the server sends back a confirmation,

iii        then the client sends an ack, and

iv       the server replies with an ack.

 

The client and server communicate by exchanging lines of ASCII characters via the reliable byte stream service provided by TCP. The interaction between the client and server for this exercise proceeds as follows: a.       The server “listens” for connections on port 43600 of IP address 128.76.112.38

b.      The client opens a connection to the server’s socket.

c.       The server accepts the connection and waits to receive a request string from the client.

d.      Once the client is connected to the server, it immediately sends a request string.

 




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