2nd puc computer science 2016 annual question paper

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2nd puc computer science 2016 annual question paper

PART – A

Note: 
i) Answer all questions. 
ii) Each question carries one mark. 10 X 1 = 10

      1. What is DHTML?

      2. Define e-commerce.

      3. Define Local Area Networking.

      4. Define the term ‘topology’ of computer networks.

      5. Define data mining.

      6. How do you initialize a pointer variable?

      7. What is the significance of scope resolution operation in C++?

      8. Name any one non-linear data structure.

      9. Write the standard symbol of XOR gate.

      10. Expand ISA.

PART – B

Note: 
i) Answer any five questions. 
ii) Each question carries two marks. 5 X 2 = 10

      11. Prove (X+Y)(X+Z)=X+YZ using algebraic method.

      12. Give the general syntax for defining classes and objects.

      13. What are minterms and maxterms?

      14. Mention any two antivirus softwares.

      15. Write the syntax for delete and insert commands in SQL.

      16. Write any two rules for constructors.

      17. Write any two member functions belonging to ofstream class.

      18. What are the advantages and disadvantages of ISAM?

PART – C

Note: 
i) Answer any five questions. 
ii) Each question carries three marks. 5 X 3 = 15

      19. What is web hosting? Mention various web hosting services.

      20. What is meant by shareware? Write its limitations.

      21. Explain relational data model with an example.

      22. Give the functions of the following: 
       a)      get() 
       b)      getline() 
       c)      read()

      23. Explain the use of new and delete operators in pointers.

      24. What is stack? Write an algorithm for pop operation.

      25. Draw the logic diagram and truth table for 2 input XOR gate.

      26. Expand UPS. Explain the types of UPS.

PART – D

Note: 
i) Answer any seven questions. 
ii) Each question carries five marks. 7 X 5 = 35

      27. Write an algorithm to insert an element into a queue.

      28. Write an algorithm for insertion sort method.

      29. Using K-map, simplify the following expression in four variables:

      F(A,B,C,D)=m₁+m₂+m₄+m₅+m₉+m₁₁+m₁₂+m₁₃.

      30. Write the rules for to be followed in writing constructor function in C++.

      31. Describe briefly the use of friend function in C++ with syntax and example.

      32. Explain defining objects of a class with syntax and a programming example.

      33. Define object oriented programming. Write the limitations of object oriented programming.

      34. Explain network securities in detail.

      35. Describe any five logical operators available in SQL.

      36. Write the differences between Manual and Electronic Data Processing.

      37. Explain briefly the types of inheritance.