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SECOND PUC SUPPLIMENTARY EXAMINATION JULY-2017
SUBJECT: Computer Science (41)
Time: 3hrs 15min Max. Marks: 70
Part-A
I. Answer all questions.
Each question carries one mark. 10×1=10
1. What is the use of SMPS?
2. For the truth table given below, what type of Logic gate does the output Represents?
A B F
0 0 1
0 1 1
1 0 1
1 1 0
3. What are non-linear data structures?
4. What is meant by array of objects?
5. What is the purpose of new operator in C++?
6. What is an entity?
7. What is Hub?
8. Expand FTP.
9. Give the general syntax of URL
10. What is web scripting?
Part-B
II. Answer any five questions.
Each question carries two marks. 5×2=10
11. State and prove complementary law.
12. Find the complement of the expression
F = XY̅+XZ̅+X̅Y
13. What are base class and derived class with reference to OOP?
14. What is a destructor? Which is the operator used with destructor function?
15. Differentiate between put() and get() functions with reference to function Files.
16. Mention the database users.
17. What is the difference between ORDER BY and GROUP BY clause used inSQL? Give examples for each. 18. Write the differences between half duplex and full duplex communication Modes.
Part-C
III Answer any five questions.
Each question carries three marks. 5 × 3 = 15
19. What is the purpose of ports, buses and disk controllers in the I/O system?
20. Construct logic diagrams for OR and NOT operations
a. Using only NOR Gates
b. Using only NAND Gates
21. Write an algorithm for insert an element into an one dimensional array
22. Explain the operations performed on pointers.
23. Write the member functions belong to ifstream class.
24. Mention any three advantages of random/direct access file organization.
25. Define e-commerce. Write the various technologies and services used in e-Commerce.
26. Explain the general structure of HTML.
Part -D
IV. Answer any seven questions.
Each question carries five marks. 7x5=35
27. Simplify the following Boolean expression using K-map.
F(A, B, C, D) =∑ (0, 2, 5, 7, 8, 10, 13, 15)
28. What are the different operations performed on queues? Write an algorithm
For deleting an element from a queue.
29. What is sorting? Write an algorithm for insertion sort.
30. Give the differences between procedural oriented programming and object Oriented programming
31. Write the general syntax for defining and declaring classes and objects and
Explain the terms. Give an example
32. When function overloading is needed? Write any two advantages and
Restrictions on overloading functions.
33. Explain the features of default constructor. Write the syntax and example for
Default constructor.
34. What is inheritance? Write the advantages of inheritance in C++.
35. Write the differences between Hierarchical data model and Network Data Model.
36. What are group functions in SQL? Explain any four group Functions With Example.
37. What is networking? Explain the goals of networking.
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