TN 12th Question Paper 2024 Computer Application

TN PUBLIC EXAM

QUESTION
PAPER
2024

No. of Printed Pages : 8
7473
!7473ComputerApplications! £vÄ Gs
Register Number

PART - III
PoÛ £¯ß£õkPÒ / COMPUTER APPLICATIONS
(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 |õßS ©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.

[ v¸¨¦P / Turn over

7473 2

1. AIFF ÷Põ¨¦ ÁiÁ® G¢u {ÖÁÚzuõÀ E¸ÁõUP¨£mhx ?
(A) Apple Inc. (B) TCS (C) IBM (D) MicroSoft
AIFF file format was developed by __________.
(a) Apple Inc. (b) TCS (c) IBM (d) MicroSoft

2. uµÄ ÂÚÁÀ ö©õÈ°À uµøÁ «möhk¨£uØPõÚ PmhøÍø¯U PshԯĮ.
(A) Delete (B) Insert (C) Select (D) Update
Identify the data query language command used to retrieve the data from database.
(a) Delete (b) Insert (c) Select (d) Update

3. PHP -À \µ® AÀ»x ©ØÓ uµÄPøÍ vøµ°À Põmh EuÄ® TØÖ Gx ?
(A) for (B) switch (C) while (D) echo
Which statement is used to show the output of a string or other data in the screen in PHP ?
(a) for (b) switch (c) while (d) echo

4. RÌUPshÁØÔÀ Gx switch TØÔ¼¸¢x öÁÎ÷¯Ó¨ £¯ß£kQÓx ?
(A) goto (B) break (C) return (D) continue
Which of the following is used to terminate from the switch statement ?
(a) goto (b) break (c) return (d) continue

5. RÌPsh SÔ•øÓ°ß öÁαk GßÚ ?
for($i=5; $i>=1; $i- -)
{
echo $i .''<br>'';
}
(A) 5432 (B) 12345 (C) 1234 (D) 54321
What is the output of the following code ?
for($i=5; $i>=1; $i- -)
{
echo $i .''<br>'';
}
(a) 5432 (b) 12345 (c) 1234 (d) 54321

3 7473

6. PHP &CÀ Cøn¨ø£ ‰kÁuØS RÌPshÁØÖÒ Gx \›¯õÚ ö\¯ØTÖ ?
(A) mysql_close(''Connection Object'');
(B) mysqli_close(''Connection Object'');
(C) mysqli_close(''Database Object'');
(D) close(''Connection Object'');
Which of the following is the correct function for closing connection in PHP ?
(a) mysql_close(''Connection Object'');
(b) mysqli_close(''Connection Object'');
(c) mysqli_close(''Database Object'');
(d) close(''Connection Object'');

7. Gx ö©õø£À Áø»¯ø©¨¦PÎÀ, Áø»¯ø©¨¦ PÁ÷µä £SvPÐUS
Â{÷¯õQUP¨£mhx ?
(A) ÷µga (B) ö\ÀPÒ (Cells)
(C) ÷\øÁ (D) ö£Ö ÁÇ[Q
In mobile network, landareas for network coverage was distributed as __________.
(a) Range (b) Cells
(c) Service (d) Transceiver

8. IPv6 •PÁ›PÎÀ GzuøÚ ¤mPÒ £¯ß£kzu¨£kQßÓÚ ?
(A) 128 (B) 32 (C) 16 (D) 64
How many bits are used in the IPv6 addresses ?
(a) 128 (b) 32 (c) 16 (d) 64

9. ¤ßÁ¸® Cøn¨£õÛÀ Gx ÷\®¨ Cøn¨¤ GÚ AøÇUP¨£kQÓx ?
(A) RJ14 (B) RJ11 (C) RJ45 (D) RJ21
Which of the following Connector is called as Champ Connector ?
(a) RJ14 (b) RJ11 (c) RJ45 (d) RJ21

10. Place PmhøÍ __________ £mi°À Ch®ö£ØÔ¸US®.
(A) Layout (B) File (C) Window (D) Edit
Place option is present in __________ menu.
(a) Layout (b) File (c) Window (d) Edit

[ v¸¨¦P / Turn over

7473 4

11. SME Gߣuß Â›ÁõUP® :
(A) Sound Messaging Enterprises
(B) Small and Medium-sized Enterprises
(C) Short Messaging Enterprises
(D) Simple and Medium Enterprises
Expansion of SME is :
(a) Sound Messaging Enterprises
(b) Small and Medium-sized Enterprises
(c) Short Messaging Enterprises
(d) Simple and Medium Enterprises

12. ¤ßÁ¸ÁÚÁØÖÒ Gx \›¯õP ö£õ¸¢v²ÒÍx ?
(A) ÷\ªzx øÁUP¨£k® ©v¨¦ Amøh & ¤ÓS ö\¾zx
(B) Phß Amøh & •ß÷£ ö\¾zx
(C) vÓß Amøh & G¨÷£õx ÷Ásk©õÚõ¾®
ö\¾zx
(D) £ØÖ Amøh & C¨ö£õÊx ö\¾zx
Which of the following is correctly matched ?
(a) Stored value card - Pay later
(b) Credit card - Pay before
(c) Smart card - Pay any time
(d) Debit card - Pay now

13.` ‰» ö£¯ºa ÷\øÁ¯P® __________ Aø©¨¤ÚõÀ £µõ©›UP¨£kQÓx.
(A) WHO (B) IANA (C) DNS (D) ICANN
Root name server are maintained by __________.
(a) WHO (b) IANA (c) DNS (d) ICANN

14. ¤ßÁ¸ÁÚÁØÖÒ Gx ªßÁoP £õxPõ¨¦ EÖ¨¦ AÀ» ?
(A) L¤æ[ (B) |®£Pzußø©
(C) uÛ²›ø© (D) µP]¯zußø©
Which of the following is not a security element involved in E-Commerce ?
(a) Phishing (b) Authenticity
(c) Privacy (d) Confidentiality

5 7473

15. PHP CÀ £¯Úº Áøµ¯ÖUS® ö\¯ØTÖ __________ GßÓ ]Ó¨¦a ö\õÀ¾hß
öuõh[P ÷Ásk®.
(A) defined (B) function (C) funct (D) def
A user-defined function in PHP starts with the keyword __________.
(a) defined (b) function (c) funct (d) def

£S-v & II / PART - II

SÔ¨¦ : GøÁ÷¯Ý® BÖ ÂÚõUPÐUS Âøh¯ÎUPÄ®. ÂÚõ Gs 24 &US
Pmhõ¯©õP Âøh¯ÎUP ÷Ásk®. 6x2=12
Note : Answer any six questions. Question No. 24 is compulsory.

16. J¼ ÷Põ¨¦ ÁiÁ[Pøͨ £mi¯¼kP.
List out the audio file formats.

17. uµÄuÍ ÷©»õsø© Aø©¨¤À EÒÍ PõºiÚõ¼mi £ØÔ ]Ö SÔ¨¦ GÊxP.
Write short note on Cardinality in Data Base Management System.

18. PHP &À EÒÍ J¸ ö\¯ØTøÓ GÆÁõÖ AøǨ£õ´ ?
How do you call a function in PHP ?

19. PoÛ Áø»¯ø©¨¤ß ö£õxÁõÚ |ßø©PÒ ¯õøÁ ?
What are the common uses of computer network ?

20. NS2 £ØÔ ]Ö SÔ¨¦ u¸P.
Write short note on NS2.

21. H÷uÝ® Cµsk DDL ©ØÖ® DML PmhøÍPøÍ Auß PmhøÍ Aø©¨¦hß
£mi¯¼kP.
List out any two DDL and DML commands with its Syntax.

[ v¸¨¦P / Turn over

7473 6

22. TCP/IP SÔ¨¦ ©õv›°À EÒÍ AkUSPÒ ¯õøÁ ?
What are the layers available in TCP/IP reference model ?

23. PHP &°À EÒÍ while ©hUS ©ØÖ® do... while ©hUSPøÍ ÷ÁÖ£kzxP.
Differentiate - while loop and do... while loop in PHP.

24. PHP &°À ÷Põ¨¤øÚz vÓ¨£uØPõÚ PmhøÍ Aø©¨ø£ GkzxUPõmkhß u¸P.
Write the syntax to open file function in PHP with an example.

£S-v & III / PART - III
SÔ¨¦ : GøÁ÷¯Ý® BÖ ÂÚõUPÐUS Âøh¯ÎUPÄ®. ÂÚõ Gs 33 &US
6x3=18
Pmhõ¯©õP Âøh¯ÎUP ÷Ásk®.
Note : Answer any six questions. Question No. 33 is compulsory.

25. EDI ‰»® £›©õØÓ® ö\´¯¨£k® ]» ÁøP ÁoP BÁn[Pøͨ £mi¯¼kP.
List few types of business documents that are transmitted through EDI.

26. ªßÁoPzvÀ B2B ©õv›ø¯ £ØÔ SÔ¨¦ GÊxP.
Write a note on B2B module in E-commerce.

27. H÷uÝ® Cµsk ªß ÁoP £õxPõ¨¦ Aa_ÖzuÀPÒ £ØÔ _¸UP©õP GÊxP.
Briefly explain any two E-commerce security threats.

28. §ä¯ ÷©õh® ÷P¤Ò £ØÔ GÊxP.
Write about Null Modem Cable.

29. ÷£ä÷©UP›À ¤›UP¨£mh Eøµz öuõSvø¯ GÆÁõÖ ÷\º¨£õ´ ?
How do you rejoin split blocks in PageMaker ?

30. ÷\ªUP¨£mh ©v¨¦ Amøhø¯²® Auß ÁøPPøͲ® _¸UP©õP ÂÍUSP.
Briefly explain the stored value card and its types.

7 7473

31. EDI &ß £À÷ÁÖ AkUSPøͨ £mi¯¼kP.
List the various layers of EDI.

32. MySQLi &I Cøn¨£uØPõÚ PmhøÍø¯ GkzxUPõmkhß GÊxP.
Write MySQLi connection syntax with example.

33. ¤ßÁ¸® PHP {µ¼ß öÁαmiøÚ GÊxP.
What will be the output of the following in PHP code ?
<?php
$array = array(''a'' => 10, ''b'' => 20, ''c'' => 30);
foreach ($array as $key => $value) {
echo $key . '' => '' . $value . ''<br>'';
}
?>

£S-v & IV / PART - IV
SÔ¨¦ : AøÚzx ÂÚõUPÐUS® Âøh¯ÎUPÄ®. 5x5=25
Note : Answer all the questions.

34. (A) Polygon lø»¨ £¯ß£kzv J¸ |m\zvµ® ÁøµÁuØPõÚ ÁÈ•øÓPøÍU
TÖP.
AÀ-»-x
(B) £À÷ÁÖ ÁøP¯õÚ EDI ÁøPPøÍ Â›ÁõP ÂÍUSP.
(a) Write the steps to draw a star using Polygon tool.
OR
(b) Briefly explain various types of EDI.

35. (A) Ethernet Áhªh¼ß £SvPøÍ ÂÍUSP.
AÀ-»-x
(B) vÓ¢u ‰» ö©ßö£õ¸Ò ©ØÖ® uÛ E›© ö©ßö£õ¸Ò & ÷ÁÖ£kzxP.
(a) Explain the components used in Ethernet cabling.
OR
(b) Differentiate open source and proprietary software.

[ v¸¨¦P / Turn over

7473 8

36. (A) ö£õ¸zu©õÚ GkzxUPõmkhß E-R ©õv›°ß Ai¨£øh P¸zx¸UPøͨ
£mi¯¼kP.
AÀ-»-x
(B) DNS GÆÁõÖ ÷Áø» ö\´QÓx Gߣøu ÂÍUSP.
(a) List the basic concepts of E-R model with suitable example.
OR
(b) Explain how the DNS is working.

37. (A) £õxPõ¨¦ A[RPõµ ö|Ô•øÓPøÍ ÂÍUSP.
AÀ-»-x
(B) PHP &CÀ £¯Úº Áøµ¯ÖUS® ö\¯ØTøÓ GkzxUPõmkPÐhß ÂÍUSP.
(a) Explain authentication protocols.
OR
(b) Explain user defined function concepts in PHP with suitable examples.

38. (A) £À¿hP E¸ÁõUP SÊÂß £oPÒ ©ØÖ® ö£õÖ¨¦PøÍ ÂÍUP©õP
GÊuÄ®.
AÀ-»-x
(B) ‘for’ ©hUøP GkzxUPõmkhß ÂÍUSP.
(a) Explain in detail about the roles of Multimedia production team and their responsibilities.
OR
(b) Explain ‘for’ looping structure with example.

-o0o-

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