Pre University Board 2008 P.U.C Economics COPMPUTER SCIENCE CODE 41 - Question Paper
Code No. 41
Total No. of Questions : 37 ] [ Total No. of Printed Pages : 4
Time : 3 Hours 15 Minutes ]
[ Max. Marks : 90
PART - A
Note : i) Answer all the questions.
U) Bach question carries one mark.
10 x 1 = 10
1. What is program counter ?
/
/K
2. Expand SDRAM.
3. What is stepwise refinement ? d
4. Write any one advantage of linear .search. \
5. What is function ?
6. What is structure ? \
%
\
7. What is database ?
8. What are attributes in a database ?
9. Define an Operating System.
10. What is TCP/IP ? A
(Turn over
Code No. 41
Total No. of Questions : 37 ] [ Total No. of Printed Pages : 4
Time : 3 Hours 15 Minutes ]
[ Max. Marks : 90
PART - A
Note : i) Answer all the questions.
U) Bach question carries one mark.
10 x 1 = 10
1. What is program counter ?
/
/K
2. Expand SDRAM.
3. What is stepwise refinement ? d
4. Write any one advantage of linear .search. \
5. What is function ?
6. What is structure ? \
%
\
7. What is database ?
8. What are attributes in a database ?
9. Define an Operating System.
10. What is TCP/IP ? A
(Turn over
Code No. 41 2
PART - B
Note: 1) .Answer any ten questions.
ii) Each question carries two marks. 10 x 2 = 20
11. Name any two secondary storage devices.
* *
12. What is cache memory ? Explain any one function of it.
13. What Is sorting ? Name any two sorting methods.
14. 1 What Is program maintenance ? Explain briefly.
1
15: Write syntax lor string declaration with an example. '
16/ How do we access the elements of a two dimensional array ? Give an example.
17. What are the different storage classes used in C* ? Name them.
'Y
18. What is data processing ? Name the types of data processings.
19. What are the functions of fread() and fwrite() ? \
20. What is pointer ? Explain declaration of pointer with an example.
t
\
21. Discuss Select1 operation in database with an example.
22. Name the different network topologies. Explain any one.
3 Code No. 41
PART - C
Note ; ij Answer the following questions.
ii) Each question carries Jiue marks. J 8 x 5 = 40
A. Answer any two questions :
1
23. Explain any five factors affecting the processing speed of a computer.
24. What are the possible threats to the computer system ? Explain them.
25. Explain briefly any five advanced I/O interface.
B. Answer anjr one question :
26. Write an algorithm to search an element in an array using Binary Search. Y\
27. What is structured programming ? List advantages of it.
C. Answer any three questions :
28. Write a C program to count the frequency of occurrence of a character in a string.
29. Explain functions wi th argument and with return value of their syntax and example.
30. How do we define a structure in C ? Explain with an example.
31. What are the different types of file organisation ? Explain any one;
D. Answer any two questions :
32. Explain any five built-in functions used in spreadsheet. 0
33. What is online data processing system ? Explain in detail.
34. What are the types of E-commerce ? Explain them.
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Code No. 41 4
PART - 0
Note: i) Answer any two questions.
Ii) Each question carries ten marks. 2 x 10 = 20
35. Write a flowchart to sort, n numbers using selection sort
36. Write a C program to find sum of series S * 1 + +......+ .
V-
37. i) Briefly explain any two advantages of spreadsheet. rj- 2
ii) Write SQL commands with syntax and example for CREATE and INSERT. "A 4
ill) Write a short note on Windows 98 Operating System. ____4
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| Earning: Approval pending. |
