SESSION M12-S12 INTERNAL ASSIGNMENT

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1 MASTER OF COMPUTER APPLICATIONS RELATIONAL DATABASE MENAGEMENT SYSTEM PAPER CODE: MCA-401 SECTION-A Answer the following questions in around 100 words. 1. What are the differences between simple and composite attributes? 2. What is heterogeneous DBMS? 3. What are differences between total and partial generalizations? 4. What are transactions? 5. What is an object related database? 6. What do you mean by atomic domain? 7. What do you mean by multivalued dependency? 8. What are client server systems? 9. What are non procedural languages? 10. What is tuple variable? 11. What is the process of data mining? 12. What is log record? 13. What is data warehouse? 14. What are data fragmentations? 15. What is log based recovery? 16. What are the main benefit and problems associated with data warehousing. 17. What are DDBMS? Explain their advantage and disadvantages. 18. What are differences between SPSD and MPMD? 19. What are multiple site processing, single site data? 20. What are data mining techniques?

2 SECTION-B Answer the following questions in around 225 words. Use illustrations and diagrams wherever necessary. 1. Explain database life cycle and how it differs from information life cycle. 2. Discuss the approaches for managing the design of database applications having multiple user view. 3. Explain the database life cycle with the help of suitable block diagram. 4. Discuss the actions taken by DBMS to prevent from locking based problems. 5. Define the concept of aggregation. Give two examples where this concept is useful. 6. What is the difference between distributions transparency and transactions transparency in DDBMS? 7. Compare the client server architecture with two other architectures. 8. What are the advantages of encrypting data stored in the database? 9. Discuss the implementation issues of a client server system. 10. Discuss the benefits of strict two-phase locking. 11. Differentiate between operational data and decision support data. 12. Explain in details DSS database requirements. 13. Why certain functional dependencies are called trivial functional dependencies? 14. Discuss the various requirements of a decision support system database. 15. Discuss the implementation issues of a client server system.

3 MASTER OF COMPUTER APPLICATIONS SOFTWARE ENGINEERING PAPER CODE: MCA-402 SECTION-A Answer the following questions in around 100 words. 1. What are the differences betw een a software life cycle model and process model? 2. Draw a diagram that represents an iterative life cycle model. 3. What are the differences between a process approach and project approach? 4. Calculate the COCOMO effort, TDEV, Average staffing and productivity for an organic project that is estimated to be 39,800 lines of codes. 5. Explain in brief about product Metrics. 6. What is the average of a DFD over other diagram? 7. What criteria should be used to evaluate scenarios and state diagram? 8. Explain the differences the terms Architecture Pattern and Framew orks. 9. What are the important goals of Domain Analysis? 10. If a program has integer input and each can be 32- bit integer, how many possible inputs does this program have and if one test can be run every millisecond, how long w ould it take to execute all of the possible inputs? 11. Softw are testers have sometimes said errors happen in corners. What could this mean? 12. What is the difference betw een verifications and validations? 13. Why is a highly coupled model difficult to unit test? 14. Give at least tw o examples in w hich black box testing might give the impressions that everything is O.K. but w hite test might uncover an error. 15. What is cohesion? 16. What are evolutionary process model users? 17. What is System testing? 18. How documentations facilitates maintenance. 19. What is meant by quality of software? 20. What is Black Box testing?

4 SECTION-B Answer the following questions in around 225 words. 1. Draw a process model for the task of painting the w alls in a room. Include the follow ing task: choose color, Buy paint, clean the w alls, stir the paint, paint the w all. 2. What are the different w ays of organizing a team? 3. Write differences between size oriented and function oriented matrices. 4. Provide three examples of software projects that w ould be amenable to the prototyping model. 5. Draw DFD (level 0, level 1) for ATM. 6. Write dow n SRS for a library management system. 7. Discuss on brief about Coding and Validation Principles. 8. Explain the differences betw een user s requirement and specifications. 9. Discuss in brief the role of Data Dictionary w ith the help of suitable example. 10. Draw scenarios for the interactions betw een a customer trying to buy a particular music CD w ith cash and a clerk in music store.be sure to cover all possibilities.use the state machine model w ith the events being the arc. 11. Discuss in brief the role of Data Dictionary w ith the help of suitable example. 12. Explain the strategy w hich can be used for testing of realtime systems. 13. How can project schedule affect integrations testing? 14. What do you understand by Softw are Configurations management? What are the various software items and standards? 15. What is the different betw een structured analysis &objectoriented analysis? Describe the concepts used in both of them.

5 MASTER OF COMPUTER APPLICATIONS SYSTEM SOFTWARE PAPER CODE: MCA-403 SECTION-A Answer the following questions in around 100 words. 1. How the various components of system software are related to each other? 2. Define the terms source and object program. 3. What are different types of assembly program statements? 4. Give the schematic for a two-pass assembler. 5. How you will differentiate between formal parameters and actual parameters with references to macros. 6. What are the different types of loaders? 7. Write a short note on a traffic controller? 8. What is role of assembler? 9. What is the difference between an interpreter and compiler? 10. Briefly explain the meaning of Relocation. 11. What is the difference between macros and subroutines? 12. What is relocating loader? 13. Briefly explain the functions of translator? 14. Differentiate between multiprogramming and multiprocessing. 15. Name any four text editor. 16. Name and list important features of a single user and multi user operating system. 17. What are the advantage and disadvantage of using local optimizations techniques? 18. Where the use of contiguous memory allocations will give good result? 19. What do you mean by segments page allocations? 20. Why do we need by segmented page allocations?

6 SECTION-B Answer the following questions in around 225 words. Use illustrations and diagrams wherever necessary. 1. Draw and explain General Machine Structure for a typical von Neumann machine. 2. Differentiate between the terms absolute loaders and relocating loaders. 3. Explain the meaning of the terms USING & BLAR with reference to assembly language program. 4. Discuss the major issue s in design of the linkage editor. 5. List various database used in design of a macro pre-processor? 6. Discuss in brief the memory allocations technique you know. 7. Draw and explain the block diagram of a DBMS. 8. How you will define the terms intermediate code generation? 9. Give the flow chart for processing macro calls and expansions. 10. Write a short note on different code optimizations techniques. 11. Explain flow chart of PASS-I of a two pass assembler. 12. Discuss with example the important elements of a assembly language programming. 13. What is a Macro preprocessor? Discuss important phases of its design. 14. Explain the concepts of Dynamic Linking and Dynamic Binding with an example. 15. Briefly discuss different types of activities performed in the optimizations phase in design of a complier.

7 MASTER OF COMPUTER APPLICATIONS OPERATING SYSTEM PAPER CODE: MCA-404 SECTION-A Answer the following questions in around 100 words. 1. What is multiprocessing? 2. Describe two different techniques for handling the communications between a processor and devices. 3. What are the essential differences between a block special file and character special file? 4. What is devices independence? 5. What is semaphore? 6. What is the process of segmentations? 7. What do you mean by thrashing? 8. What are conditions for a deadlock to exits? 9. What is Belady s anomaly? 10. Define logical address space of a process? 11. What is Seek time? 12. What is the different between SCAN and C-SCAN scheduling? 13. What is remote procedure calls? 14. What is the importance of disk scheduling? 15. How does salting improve password security? 16. How two level directory structures different from single level directory? 17. What is Semaphore? 18. List the advantages multi-level feedback queue? 19. What are the disadvantages of threads? 20. What is segmentation?

8 SECTION-B Answer the following questions in around 225 words. 1. Define, Compare and Contrast between online, real time, interactive computing and time sharing computing. 2. How has distributed computing affected the operating system design? 3. What is meant by spooling? How does caching improves system performance? 4. What is Direct Memory Access? How DMA improves system performance and cycle stealing. 5. What is inter-process communications? What is the major drawback of using signal for IPC? 6. What are mutual exclusions? Discuss the Shortest Process First Scheduling with the help of suitable example. 7. How has distributed computing affected the operating system design? 8. What is disk scheduling? Explain the procedure of selection of best scheduling algorithm? 9. What is deadlock avoidance? Explain the technique for deadlock avoidance? 10. What is data protection? Explain the domain of protection and access matrix model? 11. Why page size is always power of 2? 12. What are the concepts of deadlock? How to prevent Deadlock. Illustrate with the help of examples. 13. What is demand paging? Discuss its advantage and disadvantage. 14. Describe the directory structure of a hierarchical file system? 15. Can the Trojan horse attack work in system protected by capabilities? What are the differences between a virus and worm? How do they each reproduce?

9 MASTER OF COMPUTER APPLICATIONS OBJECT ORIENTED ANALYSIS & DESIGN PAPER CODE: MCA-405 C SECTION-A Answer the following questions in around 100 words. 1. What is an asynchronous message? 2. Define polymorphism and overriding. 3. What is inheriting a method? How is it different from overriding? 4. What are prototype systems? 5. List the operators that can not be overloaded. 6. Describe the syntax of operator function. 7. What is a variable size array? How is it different from a rectangular array? 8. What is the difference between friends and members? 9. What are the components of sequence diagram? 10. Give an example of state transition. 11. What is object oriented development? 12. Differentiate between analyses vs. design. 13. What are the abstract data types? 14. What do you mean by Multiple Inheritance?explain briefly with example 15. What do you mean by inheriting the interface? 16. What are private and public visibility modes? explain with examples 17. List the operators that can be overloaded. 18. Write short notes on object oriented analysis. 19. Write few steps involved in system design. 20. What are the components of state diagrams?

10 SECTION-B Answer the following questions in around 225 words 1. Describe different types of object oriented programming language. 2. What is object oriented user interface? Explain. 3. Explain different type of visibility modes. 4. Explain classe s an object with program example. 5. What are macros? Explain with program example. 6. Differentiate between inclusion polymorphism and operation polymorphism. 7. Describe E-R model of an organization. 8. Describe methodologies for object oriented analysis and design. 9. What are pre and post conditions of methods explain. 10. Describe the process of object oriented design. 11. What is polymorphism? Explain different forms polymorphism. 12. What is function call? Explain call by value and call by reference. 13. Explain the concept of data hiding and encapsulation with suitable example. 14. Explain functional model with suitable example. 15. What is the difference between the object oriented analysis and object oriented design.

Department of Computer applications. [Part I: Medium Answer Type Questions]

Department of Computer applications BBDNITM, Lucknow MCA 311: OPERATING SYSTEM [Part I: Medium Answer Type Questions] UNIT 1 Q1. What do you mean by an Operating System? What are the main functions of