Kerala Plus One Question Paper 2024 Computer Science

Kerala Board

Question Paper
2024

Reg. No. : ......................................
FY-430 Name : ...........................................

FIRST YEAR HIGHER SECONDARY EXAMINATION, MARCH 2024

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

FY-430 1 P.T.O.

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

1. Name the technology used in first generation Computers.

2. Which of the following gates is known as inverter ?
(a) AND (b) OR
(c) NOT (d) NAND

3. _________ is the stage in programming where errors are discovered and corrected.

4. Which among the following is a type modifier used in C++ ?
(a) Int (b) Void
(c) Long (d) For

5. Name the array in which each element itself is an array.

6. A unique 4 part numeric address assigned to each node on a network is _________.

Answer any NINE questions from 7 to 18. Each carries 2 scores. (9  2 = 18)

7. Convert the following :
(a) (110111)2 to decimal (1)
(b) (715)8 to binary (1)

8. Explain briefly any two Registers in CPU.

9. Write any two advantages of using flow charts.

10. Briefly explain any two types of errors that can occur in a program.

11. Define the term variable. What are the two values associated with it ?

12. What do you mean by type conversion in C++ ? List two types of type conversion.

13. Which are the two ways of writing comments in C++ ? Give examples.

FY-430 2

1  6    5  .
1  . (5  1 = 5)
1.       .

2.       
 ?
(a) AND (b) OR
(c) NOT (d) NAND

3.      
_________.

4.    C++   

(a) Int (b) Void
(c) Long (d) For
5.      .
6.      4   
 _________.
7  18    9  .
2  . (9  2 = 18)
7.     :
(a) (110111)2  (1)
(b) (715)8 to  (1)

8. CPU       .

9.       .

10.         
.

11.    .    
 ?

12. C++        ?  
   .

13. C++       ? 
.
FY-430 3 P.T.O.

14. Define the following :
(a) Array (1)
(b) Subscript of an array (1)

15. Define the term parameters. List two types of parameters.

16. Write the syntax of a user defined function definition in C++.

17. Write short notes on the following :
(a) Bluetooth (1)
(b) Wifi (1)

18. Write any two advantages of Social Media.

Answer any NINE questions from 19 to 29. Each carries 3 scores. (9  3 = 27)

19. Briefly explain the following :
(a) Abacus (1)
(b) Napier’s Bones (1)
(c) Pascaline (1)

20. Write short notes on the following :
(a) Hexadecimal number system (1)
(b) ASCII (1)
(c) Universal Gates (1)

21. Briefly explain the three methods of representation of integers in computer memory.

22. Explain briefly any three e-waste disposal methods.

23. Consider the algorithm given below :
Using appropriate symbols draw the flow chart corresponding to it.
Step 1 : Start
Step 2 : N=1
Step 3 : Print N
Step 4 : N=N+1
Step 5 : If N<=100 Then Go To Step 3
Step 6 : Stop
FY-430 4

14.    :
(a)  (1)
(b)    (1)

15.    .     .

16. C++        .

17.      :
(a)  (1)
(b)  (1)

18.      .

19  29    9  .
3  . (9  3 = 27)
19.     :
(a)  (1)
(b)   (1)
(c)  (1)

20.      :
(a)     (1)
(b) ASCII (1)
(c)   (1)

21.       
    .

22. -      .

23.   
.      
 .
Step 1 : Start
Step 2 : N=1
Step 3 : Print N
Step 4 : N=N+1
Step 5 : If N<=100 Then Go To Step 3
Step 6 : Stop

FY-430 5 P.T.O.

24. Define the following C++ terms :
(a) Character set (1)
(b) Tokens (1)
(c) Literals (1)

25. Write a C++ program to print first 10 natural numbers.

26. Briefly explain different array operations in C++.

27. Write the use of following functions :
(a) gets( ) (1)
(b) putchar( ) (1)
(c) getline( ) (1)

28. Write any three advantages of Modular Programming.

29. Briefly explain :
(a) Spam (1)
(b) GPS (1)
(c) Smart cards (1)

Answer any TWO questions from 30 to 32. Each carries 5 scores. (2  5 = 10)

30. (a) What is the need of Language Processors ? (2)
(b) Briefly explain different types of language processors. (3)

31. (a) Define the term loop statement. (1)
(b) Explain briefly the four elements of a loop. (4)

32. (a) Define the terms Network Protocol and Network Topology. (2)
(b) Briefly describe any three network topologies. (3)
______________

FY-430 6

24.   C++   :
(a)   (1)
(b)  (1)
(c)  (1)

25.  10     C++  .

26. C++      .

27.      :
(a) gets( ) (1)
(b) putchar( ) (1)
(c) getline( ) (1)

28.      .

29.   :
(a)  (1)
(b) GPS (1)
(c)   (1)

30  32    2  .
5  . (2  5 = 10)
30. (a)     ? (2)
(b)       . (3)

31. (a)     . (1)
(b)       . (4)

32. (a)      
. (2)
(b)       . (3)
______________

FY-430 7 P.T.O.

FY-430 8