Kerala Plus Two Question Paper 2022 Computer Science

Reg. No. : .....................................
Name : ..........................................
SY-30
SECOND YEAR HIGHER SECONDARY EXAMINATION, MARCH 2022

Part – III Time : 2 Hours
COMPUTER SCIENCE Cool-off time : 15 Minutes
Maximum : 60 Scores

General Instructions to Candidates :
 There is a ‘Cool-off time’ of 15 minutes in addition to the writing time.
 Use the ‘Cool-off time’ to get familiar with questions and to plan your answers.
 Read questions carefully before answering.
 Read the instructions carefully.
 Calculations, figures and graphs should be shown in the answer sheet itself.
 Malayalam version of the questions is also provided.
 Give equations wherever necessary.
 Electronic devices except non-programmable calculators are not allowed in the
Examination Hall.

 
    15  ‘  ’ .
 ‘  ’    
 .
      .
    .
  , , ,   
.
   .
    .
     
    .

SY-30 1 P.T.O.

PART – I

A. Answer any five questions from 1 to 9. Each carries 1 score. (5  1 = 5)

1. The keyword used to define structure data type in C++ is _______.

2. Which of the following operator is used for dynamic memory allocation ?

(a) * (b) &

(c) new (d) delete

3. Identify the type of inheritance that has two base classes and one derived class.

(a) Multi level inheritance (b) Multiple inheritance

(c) Hierarchical inheritance (d) Hybrid inheritance

4. Name the data structure that follows LIFO principle to organize data.

5. Which attribute is used with <A> tag to specify the name of the web page to be linked ?

6. The HTML tag used to specify a data item in a definition list in a web page is ______.

7. Name the keyword used to declare a variable in JavaScript.

8. Which of the following data is represented by Boolean data type in JavaScript ?

(a) 1 (b) TRUE

(c) “true” (d) true

9. The PHP operator used to join two strings is ______.

SY-30 2

PART – I
A. 1  9    5  .
1  . (5  1 = 5)
1. C++      ______
.

2.      
   ?
(a) * (b) &
(c) new (d) delete

3.        .
(a)   (b)  
(c)   (d)  

4. LIFO       .

5.      <A> 
   ?

6.         
______ HTML  .

7.      
.

8.     
    ?
(a) 1 (b) TRUE
(c) “true” (d) true

9.     PHP  ______
.

SY-30 3 P.T.O.

B. Answer all questions from 10 to 13. Each carries 1 score. (4  1 = 4)

10. The full form of VPS is

(a) Virtual Premium Service (b) Virtual Private Service

(c) Virtual Premium Server (d) Virtual Private Server

11. The level of data abstraction in DBMS that is closest to the user is known as _______.

(a) Physical level (b) Logical level

(c) View level (d) Conceptual level

12. If a table STUDENT has 5 columns and another table TEACHER has 3 columns, the
Cartesian product STUDENT X TEACHER will have ______columns.

13. Variable in PHP begin with ______ character.

PART – II

A. Answer any two questions from 14 to 17. Each carries 2 scores. (2  2 = 4)

14. What is polymorphism in Object Oriented Programming ? Name the two types of
polymorphism.

15. Explain the situations ‘overflow’ and ‘underflow’ in data structure operations.

16. Write down the use of any two built-in functions in JavaScript with the help of
examples.

17. Distinguish between serial computing and parallel computing.

SY-30 4

B. 10  13    .1  . (4  1 = 4)
10. VPS  
(a)    (b)   
(c)    (d)   

11.    DBMS    
_______ .
(a)   (b)  
(c)   (d)  

12. STUDENT   5  TEACHER   3 
    STUDENT X TEACHER  ______
.

13. PHP  ______   .

PART – II
A. 14  17    2  .
2  . (2  2 = 4)

14.      ?  
 .

15.    ‘’, ‘’ 
 .

16.    -  
  .

17.      .

SY-30 5 P.T.O.

B. Answer any two questions from 18 to 20. Each carries 2 scores.

(2  2 = 4)

18. What is meant by self-referential structure ?

19. How do the access labels of class data type implement data hiding ?

20. Prepare short note on linked list.

PART – III
A. Answer any three questions from 21 to 24. Each carries 3 scores. (3  3 = 9)

21. Write an algorithm to perform pop operation in a stack.

22. Distinguish between static web page and dynamic web page.

23. Explain the merits and demerits of free hosting.

24. Briefly describe the three cloud service models.

B. Answer any two questions from 25 to 27. Each carries 3 scores.

(2  3 = 6)

25. Write a JavaScript code to display the sum of the first 100 natural numbers.

26. Explain the use of any three aggregate functions in SQL.

27. Briefly describe any three ways of protecting Industrial Property Rights.

SY-30 6

B. 18  20    2  .
2  . (2  2 = 4)
18. -   ?

19.     
 ?

20.    .

PART – III
A. 21  24    3  .
3  . (3  3 = 9)
21.       .

22.      .

23.    .

24.      .

B. 25  27    2  .

3  . (2  3 = 6)

25.  100     
 .

26. SQL      .

27.      
 .

SY-30 7 P.T.O.

PART – IV

A. Answer any three questions from 28 to 31. Each carries 4 scores.

(3  4 = 12)

28. (a) How does static memory allocation differ from dynamic memory allocation ? (2)

(b) What is memory leak ? (2)

29. (a) Distinguish between CHAR and VARCHAR data types of SQL. (2)

(b) What is the use of SELECT command in SQL ? Write down its syntax of usage. (2)

30. (a) Compare echo( ) and print ( ) functions in PHP. (2)

(b) Write any two string functions in PHP and their uses. (2)

31. What is e-Governance ? Briefly describe the three components of e-Governance.

B. Answer any one question from 32 to 33. Carries 4 score.

(1  4 = 4)

32. (a) Explain the two types of communication over the web. (2)

(b) Distinguish between Rowspan and Colspan used in the creation of tables in web
pages. (2)

33. (a) Prepare short note on cluster computing. (2)

(b) Write any two advantages of grid computing. (2)

SY-30 8

PART – IV

A. 28  31    3  .
4  . (3  4 = 12)
28. (a)       
  ? (2)

(b)    ? (2)

29. (a) SQL CHAR, VARCHAR   
 ? (2)

(b) SQL SELECT   ?  
 . (2)

30. (a) PHP echo( ), print ( )    . (2)

(b) PHP      
. (2)

31. -  ? -   
.

B. 32  33     .
4 . (1  4 = 4)
32. (a)      . (2)

(b)   ()  
Rowspan, Colspan    ? (2)

33. (a)     . (2)

(b)      . (2)

SY-30 9 P.T.O.

PART – V
Answer any two questions from 34 to 36. Each carries 6 scores. (2  6 = 12)

34. (a) Write any two attributes used with <BODY> tag and specify their effects in the
webpage. (2)

(b) Name any four text formatting tags in HTML and write down the use of each. (4)

35. (a) Write an HTML code to create a table as shown below. (3)

Year Computer Science Comp. Appl. Comp. Appl.
(Commerce) (Humanities)

2021 55 108 57

2022 60 120 60

(b) Explain the three types of lists that can be created in HTML documents. Name the
tags required for each. (3)

36. (a) Explain any four advantages of DBMS. (4)

(b) List the four components of DBMS. (2)
__________

SY-30 10

PART – V
34  36    2  .

6  . (2  6 = 12)

34. (a) <BODY>     

,     . (2)

(b) HTML      

  . (4)

35. (a)      HTML
 . (3)

Year Computer Science Comp. Appl. Comp. Appl.
(Commerce) (Humanities)

2021 55 108 57

2022 60 120 60

(b) HTML     
.    . (3)

36. (a) DBMS    . (4)

(b) DBMS   . (2)

__________

SY-30 11 P.T.O.

SY-30 12