IGNOU MCA

PART-1: MCS-021 Question 1: (5 marks) Write a program in C language to implement 2-way merge sort. Input the following data to the program. Show all intermediate steps: 104,50,20,39,206,29,409,26,298,3,10,8 Question 2: (5 marks) Write a program in C language to convert a Tree into a Binary Tree. PART-2: MCS-022 Question 1: (5 marks) Write a shell script in Linux/Unix that accepts a text file as input and prints the number of words which consist of at least one vowel. Question 2: (5 marks) Your PC is on a network. Now, take a print from a printer which is not the default printer for your PC. PART-3: MCS-023 Question 1: (10 marks) Create a database consisting of student’s Enroll. No. , Programme of study, and marks secured in each of the courses in MCA. 9 After creating the database, perform the following tasks: (i) Find the no. of students who failed only in 1 course in all the 6 semesters. (ii) Generate a report indicating the no. of students who sec...

Question 1: a) What is Object Oriented Paradigm? Explain advantages of Object Oriented Programming. (5 Marks) b) What is polymorphism? Explain the advantages of polymorphism with an example. (5 Marks) Question 2: a) What is platform independence? Explain why java is secure and platform independent. (3 Marks) b) Write a program in java to generate Fibonnaci Series. (3 Marks) c) Explain the advantage of of Unicode. (2 Marks) d) Explain the significance of PATH and CLASS PATH. (2 Marks) Question 3: a) What is an exception? Create an exception subclass named MyException to handle user generate exceptions in Java. (5 Marks) b) What is abstract class? What are advantages of using abstract class? Write a program in Java to explain abstract class and multilevel inheritance. (5 Marks) Question 4: Differentiate the following and support with example: (10 Marks) Final and static member Inheritance and Aggregation Abstract class and Interface String and String...

Question 1: Describe briefly all the possible applications of a database system in a University? (15 Marks) Question 2:  Identify all the associated entities for a Study Centre Management System, their corresponding attributes, relationships and cardinality and design an ER diagram for it. (20 Marks) Question 3:  Consider the E-R diagram of Question 2 and design the tables. Perform Normalization till the required normal form. Implement it using MS-Access. (25 Marks) Question 4:  Consider a “Project Management System” that maintains the database using the following tables: (10 Marks) Project (pid, ptitle, startdate, enddate, duration_in_months, cid, Cost) Clients (cid, cname, caddress, cphone) Employee (eid, name, address, phone) Project-person (pid, eid) Please note that an employee may be working on more than one project in the organization at any given time. Write and run the following SQL queries on the tables: (a) Find the cid a...

Question 1 (a) Explain the working of Token Ring? Compare it with token Bus. (5 Marks) (b) Describe kerberos management in Windows 2000 operating system. (5 Marks) Question 2: Give the answer of following in context of Linux Operating system. (a) Write the purpose and syntax of nice and renice commands. (5 Marks) (b) Explain the use and importance of FSCK commond. (5 Marks) (c) Describe the ext2 and ext3 file systems? (10 Marks) Question 3 (a) What are the contents of Password files and where are they located in Windows? Also, explain the concept of Shadow passwords? (5 Marks) (b) Explain "Distributed File System" with reference to Windows 2000. (5 Marks) Question 4: Write a shell script that searches the file contents in a directory and its sub-directories for a text string given by the user. It list all such file names having that given string and store in a temp file “abc”. (10 Marks) Question 5: What are different kinds of user groups...

Question 1: Write an algorithm for multiplication of two sparse matrices using Linked Lists. Question 2: Implement multiple stacks in a single dimensional array. Write algorithms for various stack operations for them. Question 3: Write a note of not more than 5 pages summarizing the latest research in the area of “Shortest Path Algorithms” for graphs. Refer to various journals and other online resources. Question 4: What are the applications of Red-Black Trees.

The following time table may varry depending upon your study center. Course Code Assignment No. Submission-Schedule MCS-021 MCA(2)/021/Assign/12 15th October, 2012 MCS-022 MCA(2)/022/Assign/12 15th October, 2012 MCS-023 MCA(2)/023/Assign/12 15th October, 2012 MCS-024 MCA(2)/024/Assign/12 15th October, 2012 MCSL-025 MCA(2)/L025/Assign/12 31st October, 2012

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