2ND PUC COMPUTER SCIENCE MODEL QUESTION PAPER 5

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  PU-II COMPUTER SCIENCE

MODEL QUESTION PAPER 5

PART - A 

I. Answer all the questions.
Each question carries 1 mark. (10 x 1 = 10)

       1. What is Data bus?

       2. Write the standard symbol for two input NOR gate.

       3. What is sorting?

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

       5. Which symbol is used as address operator in C++?

       6. What is a record?

       7. What is a virus?

       8. Name any one non-linear data structure.

       9. Mention any one type of e-commerce.

       10. Expand ISA.

PART – B

II.   Answer any five questions.
Each question carries 2 marks. (5 X 2 = 10)

       11. State and prove Involution law.

       12. Prove X.(X+Y)=X.

       13. What are minterms and maxterms?

       14. What is destructor? Write the symbol used for destructor.

       15. Mention the types of data files.

       16. What is Database Management System? Give an example of DBMS software.

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

       18. Define:

a)      Client

b)      Server.

PART – C

III.    Answer any five questions.
Each question carries 3 marks. (5 X 3 = 15)

       19. Explain any three I/O ports.

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

       21. Give the memory representation for two dimensional array using Column Major Ordering.

       22. Give the advantages of pointer.

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

       24. Explain the advantages (features) of DBMS.

       25. What is e-commerce? Explain any two types.

       26. Expand UPS. Explain the types of UPS.

    

PART – D

IV.   Answer any seven questions.
Each question carries 5 marks. (7 X 5 = 35)

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

       28. Reduce

       F(A,B,C,D)=∑(0,2,4,6,10,14) USING K-MAP.

       29. Give the applications of stack.

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

       31. What is a class? Write its declaration syntax and example.

       32. What is a friend function? Write the characteristics of a friend function.

       33. What is copy constructor? Explain with syntax and programming example.

       34. Explain network securities in detail.

       35. Explain the differences between manual data processing and computerized (electronic) data 

             processing.

       36. Explain any five relational/comparison operators in SQL with suitable examples.

       37. Explain briefly the types of inheritance.