Tamil Nadu 11th Std Model Question Paper Computer Science

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No. of Printed Pages : 12
3472 (NS)
!3472NSIstYearComputerScience! £vÄ Gs
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PART - III
PoÛ AÔ¯À / COMPUTER SCIENCE
( uªÌ ©ØÖ® B[Q» ÁÈ / Tamil & English Version )

Põ» AÍÄ : 3.00 ©o ÷|µ® ] [ ö©õzu ©v¨ö£sPÒ : 70
Time Allowed : 3.00 Hours ] [Maximum Marks : 70

AÔÄøµPÒ : (1) AøÚzx ÂÚõUPЮ \›¯õP¨ £vÁõQ EÒÍuõ GߣuøÚa
\›£õºzxU öPõÒÍÄ®. Aa_¨£vÂÀ SøÓ°¸¨¤ß, AøÓU
PsPõo¨£õÍ›h® EhÚi¯õPz öu›ÂUPÄ®.
(2) }»® AÀ»x P¸¨¦ ø©°øÚ ©mk÷© GÊxÁuØS®,
AiU÷PõikÁuØS® £¯ß£kzu ÷Ásk®. £h[PÒ ÁøµÁuØS
ö£ß]À £¯ß£kzuÄ®.

Instructions : (1) Check the question paper for fairness of printing. If there is any lack of
fairness, inform the Hall Supervisor immediately.

(2) Use Blue or Black ink to write and underline and pencil to draw diagrams.

£Sv – I / PART - I

SÔ¨¦ : (i) AøÚzx ÂÚõUPÐUS® Âøh¯ÎUPÄ®. 15x1=15

(ii) öPõkUP¨£mkÒÍ ©õØÖ ÂøhPÎÀ ªPÄ® Hئøh¯
Âøhø¯z ÷uº¢öukzxU SÔ±mkhß Âøh°øÚ²® ÷\ºzx
GÊuÄ®.

Note : (i) Answer all the questions.

(ii) Choose the most appropriate answer from the given four alternatives and
write the option code and the corresponding answer.

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3472 (NS) 2

1. öÁαmk \õuÚzøu Aøh¯õÍ® PõsP.
(A) _mi (B) Âø\¨£»øP (C) {øÚÁP® (D) vøµ¯P®
Identify the output device.
(a) Mouse (b) Keyboard (c) Memory (d) Monitor

2. G¢u Áõ°À u¸UP uø»RÈ GßÖ AøÇUP¨£kQÓx?
(A) XNOR (B) AND (C) OR (D) NOT
Which gate is called as the logical inverter ?
(a) XNOR (b) AND (c) OR (d) NOT

3. C¯UP Aø©¨£õÚx £¯Ú¸US GzuøÚ {ø» £õxPõ¨ø£ ÁÇ[SQÓx?
(A) 3 (B) 2 (C) 5 (D) 4
How many level of securities is provided by operating system to the user ?
(a) 3 (b) 2 (c) 5 (d) 4

4. Âs÷hõì £¯ß£õmiÀ ÷Põ¨¦PÒ öPõhõ{ø»¯õP G¢u ÷Põ¨¦øÓ°À
÷\ªUP¨£k®?
(A) My computer (B) My document
(C) My pictures (D) Documents and settings
In Windows applications which is the default folder to save files ?
(a) My computer (b) My document
(c) My pictures (d) Documents and settings

5. m, n ©õÔPÎÀ ©v¨¤¸zu¾US ¤ÓS GßÚ ©v¨¦ C¸US®?
(1) m, n : =10, 5
(2) m, n : =m+3, n−2
(3) m, n : =?, ?
(A) 3, 13 (B) 10, 13 (C) 13, 3 (D) 10, 5
After the assignment what values will be stored in the variables m, n ?
(1) m, n : =10, 5
(2) m, n : =m+3, n−2
(3) m, n : =?, ?
(a) 3, 13 (b) 10, 13 (c) 13, 3 (d) 10, 5

3 3472 (NS)

6. RÌUPõq® ©hUS GzuøÚ •øÓ C¯[S®?
m :=0
while (m<5)
m :=m+1
(A) 10 (B) 4 (C) 5 (D) 6
How many times the loop is iterated ?
m :=0
while (m<5)
m :=m+1
(a) 10 (b) 4 (c) 5 (d) 6

7. J¸ {µ¼À EÒÍ «a]Ö uÛzu A»S :
(A) ÂÀø»PÒ (B) ÷£õ¼USÔ•øÓ
(C) ö|Ô•øÓ (D) £õ´Ä¨£h®
The smallest individual unit in a program is :
(a) Tokens (b) Pseudocode
(c) Algorithm (d) Flowchart

8. CÁØÖÒ ©hUQøÚ C¯US®÷£õx ©hUQøÚ Âmk öÁÎ÷¯Ó EuÄ®
TØÖ ¯õx?
(A) while (B) goto (C) break (D) continue
Which of the following statement is used to terminate the execution of the loop ?
(a) while (b) goto (c) break (d) continue

9. C++ - À J¸ SÔ²ÖøÁ GÊzx ©ØÖ® GsÁøP¯õ AÀ»x CÀø»¯õ
Gߣøu \›£õºUP EuÄ® ö\¯ØTÖ Gx?
(A) islower( ) (B) isalpha( ) (C) isdigit( ) (D) isalnum( )
In C++ which function is used to check whether a character is alphanumeric or not ?
(a) islower( ) (b) isalpha( ) (c) isdigit( ) (d) isalnum( )

10. int age[ ]={6, 80, 75, 21, 10};
C¢u Ao°À GzuøÚ EÖ¨¦PÒ EÒÍÚ?
(A) 4 (B) 2 (C) 5 (D) 6
int age[ ]={6, 80, 75, 21, 10}; How many elements are there in this array ?
(a) 4 (b) 2 (c) 5 (d) 6

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11. ¤ßÁ¸ÁÚÁØÖÒ Gx £¯Úº Áøµ¯ÖUS® uµÄ ÁøP BS®?
(A) char (B) class (C) float (D) int
Which of the following is a user defined data type ?
(a) char (b) class (c) float (d) int

12. ¤ßÁ¸® •ßÁiÄUS RÌUPshÁØÖÒ G¢u BUQ C¯UP¨£k®?
add display (add &a);
(A) |PÀ BUQ
(B) uõÚø©Ä BUQ
(C) Aͦ¸UPÐhß Ti¯ BUQ
(D) Aͦ¸UPÒ CÀ»õu BUQ
Which of the following constructor is executed for the following prototype ?
add display (add &a);
(a) copy constructor
(b) default constructor
(c) parameterized constructor
(d) non-parameterized constructor

13. C++ - À ¤ßÁ¸® G¢u ö\¯ØSÔø¯ £oªS¨¦ ö\´¯»õ®?
(A) ? : (B) + (C) sizeof (D) : :
In C++ which of the following operator can be overloaded ?
(a) ? : (b) + (c) sizeof (d) ::

14. ¤ßÁ¸ÁÚÁØÖÒ Gx ©µ¦›©® ö£ØÓ Á›ø\°À C¯UP¨£kQÓx?
(A) J¸[QønzuÀ (B) AȨ¤
(C) A¸Á©õUP® (D) BUQ
Which amongst the following is executed in the order of inheritance ?
(a) composition (b) destructor
(c) abstraction (d) constructor

15. RÌUPshÁØÖÒ Gx ö\¯À•øÓ £°Ø] ©ØÖ® ©v¨¦PøÍ øP¯õÐQÓx?
(A) Po¨ö£õÔ |ßöÚÔPÒ (B) E›ø©°À»õ |P»õUP®
(C) {µÀPÒ (D) |a_{µÀ
Which of the following deals with procedures, practices and values ?
(a) computer ethics (b) piracy
(c) programs (d) virus

5 3472 (NS)

£Sv – II / PART - II
SÔ¨¦ : GøÁ÷¯Ý® BÖ ÂÚõUPÐUS Âøh¯ÎUPÄ®. ÂÚõ Gs 24 &US
Pmhõ¯® Âøh¯ÎUPÄ®. 6x2=12
Note : Answer any six questions. Question No. 24 is compulsory.

16. Pou Hµna ö\¯»Pzvß (ALU) ö\¯À£õkPÒ ¯õøÁ?
What are the functions of an ALU ?

17. (11.011)2 GßÓ C¸{ø» GsoØS {PµõÚ £vß© Gsøn PõsP.
Convert the given binary number (11.011)2 into its decimal equivalent.

18. uØ_ÇØ] GßÓõÀ GßÚ?
What is recursion ?

19. C++ -À EÒÍ break, continue TØÖPÒ £ØÔ SÔ¨¦ GÊxP.
Write a note on break and continue statement in C++.

20. if TØÔß Pmhøͯø©¨¦ ©ØÖ® GkzxUPõmk GÊxP.
Write the syntax and example of, if statement.

21. void uµÄÁøP°ß •UQ¯zxÁ[PÒ GßÚ?
What are the importance of void data type ?

22. £À¾ÖÁõUP® GßÓõÀ GßÚ?
What is polymorphism ?

23. TSCII - GßÓõÀ GßÚ?
What is TSCII ?

24. a=65, b=15 GÛÀ RÌUPshÁØøÓ PõsP.
(i) a&b
(ii) a ^ b
If a=65, b=15, then find
(i) a&b
(ii) a ^ b

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3472 (NS) 6

£Sv – III / PART - III

SÔ¨¦ : H÷uÝ® BÖ ÂÚõUPÐUS Âøh¯ÎUPÄ®. ÂÚõ Gs 33 &US
Pmhõ¯® Âøh¯ÎUPÄ®. 6x3=18
Note : Answer any six questions. Question No. 33 is compulsory.

25. Ai¨£øh Áõ°ÀPÎß ö©´¨£mi¯ÀPøÍ GÊxP.
Write the truth table of fundamental gates.

26. CD ©ØÖ® DVD ÷ÁÖ£kzxP.
Differentiate CD and DVD.

27. ©Ö_ÇØ] öuõmi (Recycle bin) SÔ¨¦ ÁøµP.
Write note on recycle bin.

28. ¤›¨¦ (Decomposition) GßÓõÀ GßÚ?
What is decomposition ?

29. SÔ¨¦ ÁøµP :
(i) ]Ó¨¦ ö\õØPÒ
(ii) SÔ¨ö£¯ºPÒ
Write short note on :
(i) Keywords
(ii) Identifiers

30. C++ -À strcmp( ) - ö\¯ØTÖ £ØÔ SÔ¨¦ ÁøµP.
Write note on strcmp( ) function in C++.

31. Ao GßÓõÀ GßÚ? Auß ÁøPPÒ ¯õøÁ?
What is an array ? What are its types ?

32. ‰ßÖ ÁøP Põs¦{ø» £õ[SPÒ £ØÔ GÊxP.
Write about three types of visibility mode.

7 3472 (NS)

33. R÷Ç öPõkUP¨£mkÒÍ C++ {µø»¨ £izx ¤ßÁ¸® ÂÚõUPÐUS
Âøh¯ÎUPÄ®.
Read the following C++ code and answer the questions given below :
#include<iomanip>
#include<iostream>
using namespace std;
class product
{
int code, quantity;
float price;
public:
void assigndata( );
void print( );
};
int main( )
{
product p1, p2;
cout<<“\n Memory allocation for object p1”<<sizeof(p1);
cout<<“\n Memory allocation for object p2”<<sizeof(p2);
return 0;
}

(i) ÷©ØPsh {µ¼À CÚUSÊÂß ö£¯º GßÚ?
(ii) CÚUSÊÂß uµÄ EÖ¨¦PÒ ¯õøÁ?
(iii) p1, p2 - ö£õ¸ÒPÐUPõÚ {øÚÁP JxURk ¯õx?

(i) What is name of the class in the above program ?
(ii) What are the data members of the class ?
(iii) What is the memory size of the objects p1, p2 ?

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£Sv – IV / PART - IV

SÔ¨¦ : AøÚzx ÂÚõUPÐUS® Âøh¯ÎUPÄ®. 5x5=25

Note : Answer all the questions.

34. (A) Po¨ö£õÔ°ß £À÷ÁÖ uø»•øÓPøÍ ÂÍUSP.

AÀ»x

(B) C¯UP Aø©¨¤ß £¯ßPøÍ GÊxP.

(a) Discuss the various generations of computers.

OR

(b) Write the uses of operating system.

35. (A) C++ -À EÒÍ ¤øÇPÎß ÁøPPøÍ ÂÁ›UPÄ®.

AÀ»x

(B) ~øÇÄ ÷\õv¨¦ ©hUS GßÓõÀ GßÚ? H÷uÝ® J¸ ~øÇÄ ÷\õv¨¦
©hUQß ö£õx ÁiÁ® ©ØÖ® ö£õ¸zu©õÚ GkzxUPõmkhß
ÂÍUSP.

(a) Explain the types of errors in C++.

OR

(b) What is an entry controlled loop ? Explain any one of the entry controlled loop
with syntax and suitable example.

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36. (A) C++ -À if .. else ©ØÖ® switch TØÔß Cøh÷¯ EÒÍ •UQ¯ ÷ÁÖ£õkPÒ
GßÚ?

AÀ»x

(B) C++ -À EÒÍ ©õÔ°ß Áøµö¯Àø» Âv•øÓPøÍ GkzxUPõmkhß
ÂÍUSP.

(a) What are the key differences between if.. else and switch statements in C++ ?

OR

(b) Explain scope rules of variables in C++ with example.

37. (A) (i) PmkÖ GßÓõÀ GßÚ? Auß £¯ß GßÚ?

(ii) PmkÖøÁ AÔÂzu¾UPõÚ öuõh›¯À ©ØÖ® J¸ GkzxUPõmk
GÊxP.

(iii) J¸ PmkÖÂß EÖ¨¦PøÍ GÆÁõÖ AqP •i²®?
GkzxUPõmk u¸P.

(a) (i) What is structure ? What is its use ?

(ii) Write the syntax and an example for creating a structure.

(iii) How to access members of a structure ? Give example.

AÀ»x /OR

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3472 (NS) 10

(B) RÌPõq® C++ {µ¼ß öÁαmøh GÊxP.

©õÔPÒ age = 23, height = 161.5 ©ØÖ® weight = 45 GÚU P¸vU öPõÒÍÄ®.

Write the output for the following C++ program.

Assume the values for age as 23, height as 161.5 and weight as 45.

38. (A) (i) ö£õ¸Ò ÷|õUS {µ»õUPzvß ]Ó¨¤¯À¦PøÍ ÂÁ›UPÄ®.

(ii) ö£õ¸Ò ÷|õUS {µ»õUPzvß |ßø©PøÍ ÂÁ›UPÄ®.

(a) (i) Explain the main features of OOPS.

(ii) What are the advantages of OOPS.

AÀ»x /OR

11 3472 (NS)

(B) öPõkUP¨£mkÒÍ öÁαmøh ö£Ó ¤ßÁ¸® C++ {µ¼¾ÒÍ
¤øÇPøÍ ¤øÇ v¸zu® ö\´P.
Debug the given C++ program to get the following output :

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3472 (NS) 12

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