2ND PUC COMPUTER SCIENCE MODEL QUESTION PAPER 2

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                                         PU-II COMPUTER SCIENCE

MODEL QUESTION PAPER 2

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

       1. Expand the term ISA.

       2. Draw XNOR gate.

       3. What is traversing?

       4. Write the significance of scope resolution operator.

       5. List the operators used with the pointers.

       6. What is data warehouse?

       7. Expand the term ARPANET.

       8. What is virus?

       9. Name any two web browsers.

       10. What is web hosting?

II. Answer any five of the following.
Each question carry 2 marks. (5 X 2 = 10)

       11. State and prove indempotence law.

       12. Show that X(X+Y)=X

       13. What is inheritance?

       14. Name any two types of constructors.

       15. Explain getline() function with an example.

       16. Name the database users.

       17. Write the syntax of UPDATE command with an example.

       18. What is the need of networking?

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

       19. What is cache memory? Explain its types.

       20. Explain XOR gate with diagram and truth table.

       21. Write any three features of array.

       22. Differentiate between static and dynamic allocation of memory.

       23. Differentiate between read() and write() functions.

       24. Explain three level RDBMS architecture.

       25. What is shareware software? Mention its limitations.

       26. Name any three formatting tags in HTML.

IV. Answer any seven of the following.
Each carries 5 marks. (7 X 5 = 35)

       27. Using K-map, simplify the following expressions in four variables W,X,Y and Z.

        m₀,m₂,m₄,m₈,m₉,m₁₀,m₁₁,m₁₂,m₁₃.

       28. Write an algorithm to illustrate enqueue.

       29. Illustrate an algorithm to delete an element from a stack.

       30. Write the applications of OOP.

       31. Explain defining a function outside the class definition with an example.

       32. Write the advantages of inline functions.

       33. What is destructor? Explain with its syntax and definition.

       34. Describe the types of inheritance with examples.

       35. Explain the features of database system.

       36. Describe any five logical operators with an example.

       37. Explain any five network topologies.