Kerala Plus One Question Paper 2024 Computer Science and Information Technology

Kerala Board

Question Paper
2024

Reg. No. : ......................................
FY-452 Name : ...........................................

FIRST YEAR HIGHER SECONDARY EXAMINATION, MARCH 2024

Time : 2 Hours
Part – II Cool-off time : 15 Minutes
COMPUTER SCIENCE & INFORMATION TECHNOLOGY
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  ‘  ’ .
 ‘  ’    
 .
      .
    .
  , , ,   
.
   .
    .
     
    .

FY-452 1 P.T.O.

Answer any 5 questions from 1 to 6. Each carries 1 score. (5  1 = 5)

1. Base of hexadecimal number system is _______.
(a) 2 (b) 4
(c) 8 (d) 16

2. Which of the following is a derived data type in C++ ?
(a) int (b) array
(c) double (d) float

3. Find out the odd one.
(a) && (b) ?:
(c) || (d) !

4. The stream function to read a character from keyboard is _____
(a) gets() (b) getchar()
(c) puts() (d) putchar()

5. Which of the following is a wireless media used for communication ?
(a) optical fibre (b) radio waves
(c) coaxial cable (d) twisted pair cable

6. Which of the following is not a search engine ?
(a) Bing (b) Yahoo
(c) Facebook (d) Google

Answer any 11 questions from 7 to 19. Each carries 2 scores. (11  2 = 22)

7. Write main component of third and fourth generation computers.

8. Using truth table, prove X + (X.Y) = X

FY-452 2

1  6    5  .
1  . (5  1 = 5)
1. Hexadecimal number system    _______.
(a) 2 (b) 4
(c) 8 (d) 16

2.   C++   derived data type  _______.
(a) int (b) array
(c) double (d) float

3.  .
(a) && (b) ?:
(c) || (d) !

4.    character   stream function 
_____
(a) gets() (b) getchar()
(c) puts() (d) putchar()

5.    wireless
media  ?
(a) optical fibre (b) radio waves
(c) coaxial cable (d) twisted pair cable

6.   search engine   ?
(a) Bing (b) Yahoo
(c) Facebook (d) Google

7  19    11  .
2  . (11  2 = 22)

7. ,     component .

8. Truth table  X + (X.Y) = X  .

FY-452 3 P.T.O.

9. Write short note on ASCII.

10. Write any two ports and their uses.

11. Write an algorithm to print sum and average of 3 numbers.

12. Give two examples of header files.

13. Define token. Write any two tokens.

14. Write any four data type modifiers in C++.

15. Explain any four arithmetic operators in C++.

16. Write short note on switch statement in C++.

17. Write a C++ program to read and print 10 numbers in an array.

18. Write difference between actual argument and formal argument.

19. Write any two library functions and their uses.

Answer any 7 questions from 20 to 28. Each carries 3 scores. (7  3 = 21)

20. Explain different types of ROM.

21. Explain any three language processors.

22. Describe any three e-waste disposal methods.

23. Draw a flowchart to print area of a square.
[hint : area = side × side ]

FY-452 4

9. ASCII-  .

10.      .

11.       .

12. Header file-   .

13. Token .   token- .

14. C++    data type modifier- .

15. C++   arithmetic operator- .

16. C++  switch statement-    .

17.  array  10      C++
 .

18. Actual argument, formal argument    .

19.   Library function-   .

20  28    7  .
3  . (7  3 = 21)

20.   ROM .

21.   language processor- .

22.   e-waste disposal  .

23.  square-    flowchart .
[ :  =  ×  ]

FY-452 5 P.T.O.

24. (a) Differentiate entry controlled and exit controlled loops in C++. (2)
(b) Give example for each type. (1)

25. Write a C++ program to print the sum of counting numbers upto 50.

26. Explain any three input functions in C++.

27. Explain any three data communication devices.

28. Write short note on
(a) SMS
(b) MMS
(c) GPS

Answer any 3 questions from 29 to 33. Each carries 4 scores. (3  4 = 12)
29. Convert the following numbers to the base specified :
(i) (100010)2 =( )10
(ii) (38)10 =( )2
(iii) (95)10 =( )8

(iv) (10011010)2 = ( )16

30. Explain fundamental data types in C++.

31. Write a program to print smallest element in an array of n numbers.

32. Write short notes on
(a) LAN (b) MAN
(c) PAN (d) WAN

33. Explain any four common threats that affects a computer network.
_____________

FY-452 6

24. (a) C++  entry controlled loop, exit controlled loop  . (2)
(b)   . (1)

25. 50      C++  .

26. C++    input function- .

27.   communication device- .

28.   :
(a) SMS
(b) MMS
(c) GPS

29  33    3  .
4  . (3  4 = 12)
29.         :
(i) (100010)2 =( )10
(ii) (38)10 =( )2
(iii) (95)10 =( )8
(iv) (10011010)2 = ( )16

30. C++  fundamental datatypes .

31. n   array-     
 .

32.  .
(a) LAN (b) MAN
(c) PAN (d) WAN

33.       
 .
_____________

FY-452 7 P.T.O.

FY-452 8