PAPER 3

                                                PUC II^nd YEAR COMMERCE

                                                 MODEL QUESTION PAPER-1

TIME:3Hrs                                                       SUB:COMPUTER SCIENCE                                                      MAX.MARKS:70

Each questions carries one marks.                                                                   10X1=10

1.      Give one feature of USB port.

2.      What is min term?

3.      What are the non-primitive data structures?

4.      What is polymorphism?

5.      What is staic memory?

6.      What is key?

7.      What are the cookies?

8.      Name the any two anti viruses.

9.      Expand IPR

10.  What is HTML?

Answer any five each question carries two marks.                                                       5 X 2=10

11.  Draw k-map for the following expression

 X’Y’+X’Y

12.  Draw the logic gates for the following expression.

(A+B+C)(A+B’+C’)(A+B+C’)(A+B’+C)

13.  What is multiple inheritance? give an  example

14.  Write any two features of parameterized constructor.

15.  What is input stream and output stream?

16.  What is data mining?

17.  How we insert a data into database table & write the syntax for it.

18.  What is EDGE?

Answer any five each question carries three marks.                                        5 X 3=15

19.  Explain cache memory.

20.  Explain the working of NOR gate(write the O/P condition).

21.  Give the memory representation of two dimensional array.

22.  What is array of pointer? Give an example.

23.  Difference between read() and write().

24.  List the components of data warehousing.

25.  Explain the communication modes.

26.  What is web scripting?

Answer any seven each question carries five marks.                                        7 X 5=35

27.  Simply the following expression using k-map 4-variables A,B,C &D.

 m0+m2+m4+m8+m9+m10+m11+m12+m13+m14

28.  Write the operations on stack.

29.  Write an algorithm to delete an element in an array.

30.  Write the applications of OOP.

31.  Explain how object of a class can be defined.

32.  Explain the need of overloading.

33.  Explain the parameterized constructor with syntax an example.

34.  What are the advantages of inheritance?

35.  Explain the database model.

36.  Write the uses of following commands.

1)SELECT         2)DROP           3)DELETE         4)UPDATE

37.  Write network devices

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                                                     ALL THE BEST