2nd puc supplementary question papers 2018,

 2nd puc supplementary question papers 2018

 SECOND PUC SUPPLEMENTARY EXAMINATION JULY-2018

SUBJECT: COMPUTER SCIENCE (41)

TIME: 3.15 Hours             (Total No. of questions: 37)          Max. Marks: 70

 

PART – A

Note: Answer all the questions.    10 x 1 = 10

          Each question carries one mark.

        1. Expand SMPS.

        2. Which basic logic gate is named as inverter?

        3. Define searching.

        4. What is a member function?

        5. How to declare a pointer?

        6. What is a table in DBMS?

        7. What is computer network?

        8. Mention any one antivirus software.

        9. Define e-commerce.

        10. Write any one formatting HTML tag.

PART - B

        Note: Answer any five questions.    5 x 2 = 10

                    Each question carries two marks.

        11. State and prove complementary laws.

        12. State and prove any one DeMorgan's theorem using truth table.

        13. Define:

                a) Class.

                b) Object.

        14. Mention any two features of parameterized constructors.

        15. What is the difference between ifstream and ofstream?

        16. Write any two differences between manual data processing and computerized                         (electronic) data processing.

        17. Give the syntax and example of INSERT command in SQL.

        18. What are communication modes? Explain any one.

PART - C

        Note: Answer any five questions.    5 x 3 = 15

                    Each question carries three marks.

        19. What is motherboard? Explain any two characteristics of motherboard.

        20. Explain basic logic gates with standard symbol and truth table.

        21. Explain the memory representation of one-dimensional array.

        22. Write the differences between static and dynamic allocation of memory.

        23. Write the types of files and explain them.

        24. Explain any three applications of DBMS.

        25. Define:

            a) World Wide Web

            b) Web Browser

            c) Web Page

        26. Write the features of DHTML.

PART - D

        Note: Answer any seven questions.    7 x 5 = 35

                    Each question carries five marks.    

        27. Simplify the following Boolean functions using K-map.

                    F(A, B, C, D)=∑(0, 2, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15)

        28. Write an algorithm to delete an element from an array.

        29. Define queue. Explain different types of queues with neat diagrams.

        30. Explain the advantages of OOPs.

        31. Explain the member functions inside the class definition with syntax and programming         example.

        32. Discuss overloaded functions with an example.

        33. What is a constructor? Give the rules for writing the constructor function.

        34. Explain single level inheritance with programming example.

        35. Explain data processing cycle.

        36. Discuss any five character (text) built-in functions in SQL.

        37. Write a note on network topologies.