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Posted By: pradha s Member Level: Gold Posted Date: 27 Jun 2008
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2007 Alagappa University M.C.A(S) Question paper
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DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. First Semester PRINCIPLES OF INFORMATION TECHNOLOGY (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. (5 ? 20 = 100) 1. (a) Discuss connectivity and interactivity. (10) (b) Explain the developments in communication technology. (10) 2. (a) Explain the five categories of Application software. (12) (b) Discuss the features for editing and formatting documents. (8) 3. (a) What are the three developments in computing and the five types of computers? Explain. (12) (b) Discuss the features of desktop publishing. (8) 4. (a) Discuss : (i) Fax messages. (5) (ii) Voice mail. (5) (b) Discuss any five online services. (10) 5. (a) Discuss the various topology of LANs. (10) (b) Write short notes on (i) ISDN lines. (5) (ii) Cable modem. (5) 6. (a) Discuss the features of DBMS. (10) (b) Explain the various types of files with an example. (10) 7. (a) What is compression and decompression? Why is it important? Discuss the various types and standards of compression. (10) (b) Discuss (i) Decision support system for TOP managers. (5) (ii) MIS for middle managers. (5) 8. (a) What is a program? Discuss the five steps for software engineering in detail. (15) (b) Discuss any three concepts of OOPs. (5) ——————— DISTANCE EDUCATION M.C.A. (Sem) DEGREE EXAMINATION, DECEMBER 2007. First Semester DIGITAL COMPUTER ORGANIZATION (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. All questions carry equal marks. 1. (a) What is the necessity of having different number system? (6) (b) Discuss the following conversion procedure : (14) (i) Decimal to hexadecimal (ii) Octal to Binary. 2. (a) Describe binary addition and subtraction. (12) (b) Explain how a system differentiate number codes from character codes. (8) 3. (a) Explain DeMorgan's theorem with application. (12) (b) Explain Karnaugh map simplification. (8) 4. Draw the circuits of encoder and decoder and explain. (20) 5. (a) Discuss briefly about ALU. (12) (b) How integers are represented in Half-Adder? Explain. (8) 6. (a) Discuss the role of parallel binary adder. (10) (b) Explain how negative numbers are represented and manipulated? (10) 7. (a) Discuss the role of (i) Flipflop (ii) Shift register (iii) Binary counter. (12) (b) Discuss RAM and its types. (8) 8. (a) Discuss about control registers and their operations. (10) (b) Discuss the following : (i) I/O interface (ii) Interrupts. (10)
–––––––––– DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. First Semester C and DATA STRUCTURES (2005 Onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. All questions carry equal marks. 1. (a) Define the character set of C. (5) (b) How to use puts and gets functions in C? (15) 2. (a) With examples show how constants and variables are declared and used in C. (10) (b) Write a program in C to add all the even numbers lying between 1 and 100 (both numbers inclusive). (10) 3. (a) How to access a function in C? (10) (b) Write a program in C to find the value of the factorial n where n is a integer (Using recursion). (10) 4. (a) Explain the concept of C preprocessor. (10) (b) Write a program in C to multiply two matrices of order (3 ? 3). (10) 5. (a) How to pass the pointers to function? (10) (b) Write a program in C to show how a data file can be created. (10) 6. (a) Define structures. (5) (b) How a data file can be opened and closed? Explain with examples. (15) 7. (a) What is a Queue? How it differs from a stack? (10) (b) Write a program in C to do the following operations in stack. (i) PUSH (ii) POP (10) 8. (a) Define a Binary Tree. Show how it is to be represented. (10) (b) Write a program in C to show how to add a node in the middle of the single linked list. (10) ———————
DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. First Semester OFFICE AUTOMATION (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. All questions have equal marks. 1. (a) Explain in detail about windows explorer. (b) Explain how to create, open and save files in windows. 2. (a) Explain the word opening screen in detail. (b) What do you mean by formatting text in word? Explain. 3. Explain the mail merge option with an example. 4. (a) Explain how to enter text, numbers, date and time in excel. (b) Explain the excel options-Borders, headers and footers. 5. (a) Explain how to create power point presentation. (b) Explain the option-view slide show in power point. 6. (a) Explain how to create a new database in access. (b) Explain how to create, save and edit a query in access. 7. (a) Explain the method of creating and printing reports in access. (b) Explain the method of searching and sorting excel database. 8. Write short notes on : (a) Table handling in word. (b) Page Numbering in word. (c) Move and copy data in excel. (d) Primary key creation in access. (e) Copy and paste using clipboard in power point. ———————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Second Semester OBJECT ORIENTED PROGRAMMING AND C++ (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE of the following. 1. (a) Explain the advantages of object oriented programming. (10) (b) Write short notes on various data types with example. (10) 2. (a) What are all the looping statements? Discuss . (10) (b) Write a program to perform array operations (Insert, Delete and Display operations). (10) 3. (a) What is the use of pointers? Explain. (10) (b) Write a program to find the product of two matrices using pointers. (10) 4. (a) Discuss the role of function in a program in detail. (10) (b) Write short notes on Inline function and friend function. (10) 5. (a) Explain about constructor and Destructor. (10) (b) Explain the concept of operator overloading with example. (10) 6. (a) Discuss the various types of Inheritance. (10) (b) Write a program to perform STACK operations. (10) 7. (a) Write a program to prepare a mark list using classes and objects. (10) (b) Explain the virtual function with example. (10) 8. (a) Discuss the various file related functions. (10) (b) How to pan the parameters from command line. Explain with example. (10) ———— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Second Semester SYSTEMS ANALYSIS AND DESIGN (2005 only) Time : Three hours Maximum : 100 marks Answer any FIVE questions. (5 ? 20 = 100) 1. (a) Discuss the types of system. (10) (b) Explain the roles played by a systems analyst. (10) 2. Explain any four fact finding techniques. 3. (a) Explain the types of forms. (10) (b) Write a note on structured design technique. (10) 4. (a) Explain the advantages of relational databases. (5) (b) Write a detailed account on indexed file organization. (15) 5. Explain the methods for conversion of old system into a new system. 6. (a) Compare MIS and DSS. (10) (b) What are the steps in feasibility study? Explain them. (10) 7. Write note on (a) Break even analysis (b) Physical design (c) System flow chart. (6 + 6 + 8) 8. (a) What do you mean by system maintenance? Explain corrective and adaptive maintenance. (10) (b) Explain the major phases in hardware and software selection. (10) ———————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Second Semester VISUAL PROGRAMMING (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. (5 ? 20 = 100 ) 1. (a) Explain the VB environment and help system. (8 + 6 + 6) (b) Write a program in VB to pick out the biggest number among the given three numbers A, B and C. (c) Briefly explain the property window. 2. (a) Explain the looping structures in VB with examples. (10) (b) Explain the use of Timer control with an example. (10) 3. (a) Explain any five date functions with examples. (10) (b) Explain the scope of variables with examples. (10) 4. (a) Write note on debugging tools and modules in VB. (10) (b) Write a program in VB to move a rectangle from left to right and top to bottom. (10) 5. Write a program in VB to create a sequential file and store number, name and mark of n students. Read the file and calculate the result using the following norms. If mark > 50 declare ‘‘PASS’’ else declare ‘‘FAIL’’ Display the result with student number, name and mark. 6. (a) Write a detailed account on OLE in VB. (10) (b) Explain the properties of Drive, directory and file list boxes. (10) 7. (a) Write a program in VB to print the row sum of each row in a matrix. (10) (b) Explain control array with an example. (10) 8. Write notes on (6 + 6 + 8) (a) Data control (b) Financial functions (c) Editing tools. ————————
DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Second Semester COMPUTER GRAPHICS (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. 1. (a) Write and explain DDA line drawing Algorithm. (10) (b) Write and explain any one of the circle drawing algorithm. (10) 2. (a) Explain the function of CRT display device. (10)
(b) Differentiate between raster and random scan in display. (10) 3. (a) Write 2-dimensional transformation with their matrix representation. (10) (b) Explain the concepts of window and view port. (10) 4. (a) Write and explain line clipping algorithm. (10) (b) Write and explain Polygon clipping algorithm. (10) 5. Explain in detail about 3-D transformations and their matrix representations. (20) 6. (a) Write and explain hidden surface algorithm. (10) (b) Write and explain the algorithm for 3-D clipping. (10) 7. (a) Explain in detail about user interface design. (10) (b) Write short notes on information display and feedback. (10) 8. Write short notes on the following: (a) Output primitives (10) (b) Z-buffer (5) (c) GKS (5) ———————— DISTANCE EDUCATION M.C.A. (Semester) DEGREE EXAMINATION, DECEMBER 2007. Third Semester DISCRETE MATHEMATICS (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. Each question carries 20 marks. 1. (a) Define the connectives conditional and biconditional. Construct the truth table of the following formula. . (b) Obtain the principal disjunctive normal form of . (c) Show that follows from the premises , , S. 2. (a) Symbolize the statement ‘‘given a positive integer, there is a greater positive integer’’, with and without using the set of positive integers as the universe of discourse. (b) Show that . (c) Show that follows logically from and . 3. (a) Define the Cartesian product of two sets A and B. Show that if and only if either or or . (b) Let and is divisible by 3}. Show that R is an equivalence relation. Draw the graph of R. (c) Define compactible relation and partial order relation. Give example for each. 4. (a) Let be the set of all one-one and onto functions from to X. Write the elements of and find the inverse of each function. (b) Show that for a function f from X to Y, and . Show by an example that equality does not hold in the second relation. 5. (a) Define semigroup and monoid. Prove that for any commutative monoid, , the set of idempotent elements of M form a submonoid. (b) Define subgroup. Prove that a subset of a group G is a subgroup of G if and only if for any pair of elements , . 6. (a) Find all the subgroups of generated by the permutation. (b) State and prove Lagrange’s theorem. 7. (a) Define unilaterally connected and connected graphs. Prove that in a simple digraph, every node of the digraph lies in exactly one strong component. (b) Define adjacency matrix and path matrix in a graph. Explain how will you obtain path matrix from adjacency matrix. 8. (a) Define directed tree and ordered tree. How many different directed trees are there with three nodes? How many different ordered trees are there with tree nodes? (b) Write the Warshall algorithm.
———————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Third Semester OPERATING SYSTEMS (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE of the following. (5 ? 20 = 100) 1. (a) What is an operating system? Briefly Explain. (10) (b) Mention some concepts of operating systems. (10) 2. (a) Write notes on Multiple queries. (10) (b) Explain the policy driven scheduling. (10) 3. (a) What do you understand by input management? (10) (b) What are the Deadlock in operating systems? (10) 4. (a) Describe the interrupt handlers in software. (10) (b) Write short notes on Device controllers. (10) 5. (a) Mention the page replacement algorithms. (10) (b) Explain multiprogramming with fixed partitions. (10) 6. (a) Analyse the swapping systems. (10) (b) Write short notes on Memory Management. (10) 7. (a) Explain the File system performance. (10) (b) Write notes on File servers. (10) 8. (a) What are the types of File basics? (10) (b) Explain Disk Space Management. (10)
———————— DISTANCE EDUCATION M.C.A.(S) DEGREE EXAMINATION, DECEMBER 2007. Third Semester RDBMS (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE of the following. (5 ? 20 = 100) 1. (a) What are the kinds of Databases. (10) (b) What are the features and advantages of DBMs? (10) 2. (a) Explain different user interfaces. (10) (b) Write notes on Gridlines for use. (10) 3. (a) Write the Relational Algebra. (10) (b) Briefly comments on the Relational Model. (10) 4. (a) What are the Benefits oracle? (10) (b) Mention some properties in Relational Database. (10) 5. (a) What are the elements of SQL language? (10) (b) What are the oracle queries? (10) 6. (a) Write notes on Joining multiple tables in a Queues. (10) (b) How can we use subqueries? (10) 7. (a) Create the Table Statement. (10) (b) Explain Embedded SQL statements. (10) 8. (a) What are the reason for database objects? (10) (b) Write short notes on copying another table. (10) ———————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Third Semester UNIX AND SHELL PROGRAMMING (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. (5 ? 20 = 100) 1. (a) Explain Directory hierarchy in Unix. (b) How to know and set permissions for files. 2. (a) How to create new commands in shell. Give an example. (b) Explain about evaluating arguments, executing command and Trapping exit codes. 3. (a) How to customize cal command. (b) How to traps and catching interrupts. 4. (a) How to access the environment variables in Unix. (b) Explain process system calls. 5. (a) Write a shell program to implement four function calculator. (b) Explain about features of macro package. 6. (a) Explain about differences between functions and procedures with suitable example. (b) Explain about the features of Tbl and eqn. 7. Write short notes on : (a) Awk (b) Fillers (c) Grep (d) Inodes. 8. (a) Explain about zap – pick commands (b) Get and put (c) Zap and pick. ———————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Third Semester COMMUNICATION SKILLS (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. 1. Write the concepts of communication. 2. Enumerate why good readers are called leaders. 3. Why is telephone etiquette necessary? Not down the dos and don'ts of telephonic conversation. 4. What level of confidence do you have, personally, for the news you see on commercial television and in newspaper? 5. Does the participant in Group Discussion seek a useful ‘Plan of Attack’ on the problem at hand? Illustrate it. 6. What are the various steps to be taken for the conduct of a meeting? 7. Define Group dynamics. Explain the art of guiding and controlling the Group Discussion. 8. Write short notes on : (a) (a) Inter personal communication. (b) (b) Intra personal communication. (c) (c) Planning for interviews. (d) (d) Body language. (4 ? 5 = 20) 9. Does the discussant distinguish disagreements in language from more fundamental disagreements? ————————
DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Fourth Semester COMPUTER NETWORKS (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. All questions carry equal marks. (5 ? 20 = 100) 1. (a) Explain ISO reference model. (b) Discuss broadband and narrowband ISDN. 2. (a) Explain the design issues of Data Link Layer. (b) Explain CSMA protocols. 3. (a) Explain the shortest path routing algorithm. Discuss its merits and demerits. (b) Explain ARP. 4. (a) Explain Multiplexing with an example. (b) Illustrate briefly on IP addresses and TCP. 5. (a) Explain Secret and Public key algorithms. (b) Explain Data Compression and its advantages. 6. (a) Discuss the role of Communication satellites in computer networks. (b) Explain PPP. 7. (a) Explain Firewalls in detail. (b) Discuss the protocols for Gigabit networks. 8. Write short notes on : (a) E-mail privacy (b) Multimedia (c) ALOHA (d) ATM LAN’s. ————————— DISTANCE EDUCATION M.C.A. DEGREE EXAMINATION, DECEMBER 2007. Fourth Semester ACCOUNTING AND FINANCIAL MANAGEMENT (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. 1. (a) What is the principles of double entry book-keeping? (5) (b) Discuss the various Accounting concepts. (15) 2. (a) What are the tools of financial statement Analysis? (8) (b) Explain the various classification of ratios. (12) 3. From the following Trial Balance Prepare Trading, profit and loss account and Balance Sheet. (20) Trial balance of Abi as on December 31, 2006. Particulars Debit Credit Rs. Rs. Capital 40,000 Sales 25,000 Purchases 15,000 Salaries 2,000 Rent 1,500 Insurance 300 Drawings 5,000 Machinery 28,000 Bank 4,500 Cash 2,000 Stock 5,200 Debtor and creditor 2,500 1,000 66,000 66,000 Adjustments : (a) Closing stock Rs. 4,900 (b) Salaries owing Rs. 300 (c) Rent paid in advance Rs. 200 (d) Insurance prepaid Rs. 90 (e) Depreciate machinery by 10% (f) During December Abi took Rs. 100 in goods for his own use. 4. (a) What are the elements of cost? (5) (b) Explain the different classification of cost. (15) 5. (a) What is piece Rate system? (5) (b) Calculate the earnings of 3 workers A, B and C under ‘merrick's multiple piece rate system, given the following : Standard production per day : 150 units Normal piece rate : Re. 0.50 p/v Production of workers on a particular day : A – 120 units, B – 140 units and C – 160 units. (15) 6. (a) What is BEP? (5) (b) Explain the managerial application of marginal costing. (15) 7. The expenses for the production of 5000 units in a factory are given as follows :
Per unit Rs. Materials 50 Labour 20 Variable overheads 15 Fixed overheads (Rs. 50,000) 10 Administrative expenses (5% variable) 10 Selling expenses (20% fixed) 6 Distribution expenses (20% fixed) 5 Total 116 You are required to prepare budget for 5,000, 7,000 and 10,000 units. (20) 8. The following is the Balance Sheets of X Ltd., Liabilities 2005 2006 Assets 2005 2006 Rs. Rs. Rs. Rs. Share capital 1,00,000 1,50,000 Land and General reserve 30,000 30,000 Building 1,00,000 95,000 P & L a/c 20,000 22,000 Plant and 6% debentures 80,000 80,000 machinery 80,000 90,000 Creditors 65,000 58,000 Stock 70,000 1,10,000 Provision for tax 5,000 10,000 Debtors 20,000 25,000 Investments – 10,000 Cash 10,000 10,000 Goodwill 20,000 10,000 3,00,000 3,50,000 3,00,000 3,50,000 Additional Information : (a) During 2006, dividend paid Rs. 15,000. (b) Depreciate plant and machinery for Rs. 6,000 and no depreciation is charged on land and building. (c) Provision for tax made during the year Rs. 5,000 (d) Profit on sale of machinery Rs. 2,000 Prepare funds flow statement. (20) ———————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Fourth Semester RESOURCE MANAGEMENT TECHNIQUES (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. 1. (a) What are the requirements of Linear Programming? (5) (b) Maximise (15) Subject to constraints 2. (a) Define a waiting line. (5) (b) If for a period of 2 hours in a day say 8 to 10 A.M. trains arrive at the yard every 20 minutes but the service time continues to remain 36 minutes, then calculate for this period (i) the probability that the yard is empty (ii) average queue length. On the assumption that the line capacity of the yard is limited to 4 trains only. (15) 3. A newspaper boy buys papers for 30 paise each and sell them for 70 paise. He cannot return unsold news papers. Daily demand has the following distributions No. of customers : 23 24 25 26 27 Probability p (x) : .01 .03 .06 .10 .20 No. of customers : 28 29 30 31 32 Probability p (x) : .25 .15 .10 .05 .05 If each day’s demand is independent of previous day’s demand, how many papers should be order each day? (20) 4. A manufacturer has to supply his customer with 600 units of his product per year. Shortages are not allowed and the shortage cost amounts to Rs. 0.60 per unit/year. The setup cost per unit run is Rs. 80.00. Find the optimum run size and the minimum average yearly cost. (20) 5. (a) What is network analysis? (5) (b) Distinguish between CPM and PERT. (15) 6. The following data is derived from a problem of network : Activity Expected time Cost slope Maximum time reduction 1-2 8 4 3 2-3 7 3 3 2-4 6 10 2 2-5 11 7 4 3-4 5 6 2 4-5 12 4 6 4-7 6 6 3 7-5 6 9 2 Compress the project to the least possible duration and estimate the cost of crashing. (20) 7. (a) What is replacement? (5) (b) Describe some important replacement situations. (15) 8. A pipeline is due for repairs. It will cost Rs. 10,000 and lasts for 3 years. Alternatively, a new pipeline can be laid at a cost of Rs. 30,000 and lasts for 10 years. Assuming cost of capital to be 10% and ignoring solvage value, which alternative should be chosen. (20)
——————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Fourth Semester OBJECT ORIENTED ANALYSIS DESIGN (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. (5 ? 20 = 100) All questions carry equal marks. 1. (a) Explain the foundations of object model. 1. (b) Discuss various programming paradigms. 2. (a) Explain the nature of a class with an example. 2. (b) Explain key abstraction mechanism. 3. (a) Explain the purpose of OOAD. 3. (b) Explain strong and weak typing. 4. (a) Explain the essentials of class diagram. 4. (b) Discuss advanced class diagram. 5. Explain any two types of interaction diagrams and their uses. 6. (a) Explain various relationships among objects. 5. (b) Discuss the importance of classification. 7. (a) Explain the construction of quality classes. 6. (b) What is interactive development? Discuss. 8. Write short notes on : 7. (a) UML 8. (b) Patterns 9. (c) Class and Objects. ——————— DISTANCE EDUCATION M.C.A. (S) DEGREE EXAMINATION, DECEMBER 2007. Fourth Semester INTERNET PROGRAMMING (2005 onwards) Time : Three hours Maximum : 100 marks Answer any FIVE questions. 1. (a) Describe WWW design issues. (10) (b) Explain how encryption and decryption are performed for security. (10) 2. (a) Explain the terms Internet, Intranet and extranet. (10) (b) Describe the salient features of Java for internet programming. (10) 3. (a) Write Java script program that validates data in a form. (10) (b) Explain Events of VB script objects. Give two different examples. (10) 4. (a) Describe HTML tags that embeds multimedia contents in a web page. (6) (b) Write short notes on SGML. (5) (c) Describe the features of a Browser. (9) 5. (a) Explain the terms ftp, http, tcp/ip. (10) (b) How ActiveX controls are used in web pages? Give an example. (10) 6. (a) Write short notes on VDO live technology. (10) (b) How web information is pulled? Explain. (10) 7. (a) How Graphics are added to web pages? Bring out the issues in graphics handling. (10) (b) How will you create animation and add it to a web page? Give an example. (10) 8. Write short notes on the following : (a) Intranet Application development (5) (b)
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