NBSE Class 11 Question Paper 2022 Informatics Practices

Total number of printed pages : 3 NB/XI/IP/1
2022
INFORMATICS PRACTICES
Total marks : 70 Time : 3 hours

General instructions:
i) Approximately 15 minutes is allotted to read the question paper and revise the
answers.
ii) The question paper consists of 28 questions. All questions are compulsory.
iii) Marks are indicated against each question.
iv) Internal choice has been provided in some questions.
N.B: Check to ensure that all pages of the question paper is complete as indicated on the top left
side.

1. Choose the correct answer from the given alternatives: 5x1 = 5
(a) www stands for
i) World wide web ii) Web world wide
iii) Wide world web iv) None of these

(b) Which property of J Frame helps you to display some text in title bar of it?
i) Text ii) Title
iii) Name iv) Caption

(c) Which of the following is a selection statement?
i) For loop ii) While loop
iii) If iv) Switch

(d) How can you make student database your active database?
i) By use command ii) It by default active
iii) By active command iv) Not possible

(e) Which statement is used to retrieve unique record from a table?
i) DISTINCT ii) READ
iii) DISPLAY iv) EXTRACT

2. Mention any two advantages of computer. 1

3. Define int data type of Java. 1

4. What are the various selection statements available in a program? 1

5. What is an entity? 1

6. What is a super key? 1

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7. What is a Domain? 1

8. What is the application area of MySQL Enterprise server? 1

9. Name any two testing methods 1

10. What is the use of registers available in CPU? 2

11. What are the functions of an operating system? 2

12. Why Java is called portable and dynamic? 2

13. What is an array? 2

14. What is an event? 2

15. What is the difference between the use of J Text Field and J
Password Field in a program? 2

16. Define security and integrity in the context of DBMS. 2

17. Explain the various symbols used in ER diagram. 2

18. Describe the BLOB data type. 2

19. Write short notes on DDL and DML. 2

20. Write short notes on Unit Testing. 2

21. a. What are the hardware and software requirement in order to
access internet?
b. What is Social Networking? Discuss any three advantages.

22. a. What is NetBeans? What are the various screen segments of
NetBeans window?
b. Discuss any four methods of JFrame class.

23. a. Compare and contrast between J List and J Combo class.
b. What are the wrapper class? Discuss any three methods of integer
class.

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24. a. What are the various operators available in MySQL? Briefly
explain any four.

b. Discuss any four grouping functions available in MySQL.

25. a. What is meant by a good program? Describe any three features
of a good program.

b. Why should you follow programming guidelines? Discuss in brief
any three general programming guidelines followed in the industry.

26. a. Discuss in brief the features of Java Programming language.

Or 5

b. What different data types are available in Java? Discuss in brief
any three.

27. a. Discuss in brief any five characteristics of DBMS.

Or 5

b. Explain any five rules of codd in context of MySQL.

28. a. Define e-Governance and discuss any four benefits offered to
citizen by e-governance.
Or 5

b. What are the various characteristics of e-learning?

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