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Tamil Nadu State Board · CLASS 12th · Computer Applications

TN State Board 12th Computer Applications Question Paper 2026

37 questions from this CLASS 12th Computer Applications paper. The first 5 questions are solved free; log in as a CLASS 12th student to view all solutions.

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Q1 mcq 1 mark
Which of the following is a raster image file format ?
  • A. CDR
  • B. JPEG
  • C. SVG
  • D. EPS
Correct Answer: B — Solution

JPEG is a raster image file format because it stores images as a collection of pixels. CDR, SVG, and EPS are primarily vector-based formats.

Q2 mcq 1 mark
Place option is present in __________ menu.
  • A. Layout
  • B. File
  • C. Window
  • D. Edit
Correct Answer: A — Solution

Place option is present in the Layout menu. It is used to position an object accurately on the page. The other menus listed do not contain the Place option.

Q3 mcq 1 mark
__________ Command is used to modify the existing structure of database or table.
  • A. DROP
  • B. CREATE
  • C. RENAME
  • D. ALTER
Correct Answer: D — Solution

ALTER command is used to modify the existing structure of a database table, such as adding, deleting, or changing columns. DROP deletes an object, CREATE makes a new object, and RENAME changes only the name.

Q4 mcq 1 mark
What is the extension of PHP file ?
  • A. .php
  • B. .html
  • C. .ph
  • D. .xml
Correct Answer: A — Solution

The extension of a PHP file is .php. The other options are not the standard PHP file extension.

Q5 mcq 1 mark
A __________ is a block of code that performs a specific task.
  • A. class
  • B. parameter
  • C. label
  • D. function
Correct Answer: D — Solution

A function is a block of code that performs a specific task. A class is a blueprint for objects, a parameter is a value passed to a function, and a label is used for identification in programming.

Q6 mcq 1 mark
Which of the following is used to terminate the switch statement ?
  • A. goto
  • B. return
  • C. break
  • D. continue

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Q7 mcq 1 mark
What is the purpose of the ‘increment’ part of a for loop ?
  • A. To check the condition
  • B. To initialize variables
  • C. To execute the code block
  • D. To update variables

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Q8 mcq 1 mark
What form control allows the user to select multiple values ?
  • A. check boxes
  • B. text inputs
  • C. radio buttons
  • D. buttons

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Q9 mcq 1 mark
Which version of PHP supports MySQLi functions ?
  • A. Version 4.0
  • B. Version 2.0
  • C. Version 5.0
  • D. Version 3.0

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Q10 mcq 1 mark
Which one of the following is not the social media ?
  • A. Twitter
  • B. Gmail
  • C. Linkedin
  • D. Facebook

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Q11 mcq 1 mark
Wi-Fi stands for __________.
  • A. Wired Optic Fibre
  • B. Wireless Fidelity
  • C. Wireless Optic Fibre
  • D. Wired Fidelity

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Q12 mcq 1 mark
Which of the following connector is called as Champ Connector ?
  • A. RJ61
  • B. RJ11
  • C. RJ45
  • D. RJ21

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Q13 mcq 1 mark
G2G systems are classified into :
  • A. First wave and Second wave
  • B. Internal facing and External facing
  • C. Left facing and Right facing
  • D. Internet and Extranet

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Q15 mcq 1 mark
How many Layers are specified in EDI architecture ?
  • A. 6
  • B. 5
  • C. 3
  • D. 4

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Q16 short answer 2 marks
Give some examples of DTP Software.

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Q17 short answer 2 marks
Define Single and Multi valued attributes.

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Q18 short answer 2 marks
How do you create an indexed array in PHP ?

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Q19 short answer 2 marks
What is node in Computer network ?

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Q20 short answer 2 marks
Expand : (i) GPRS (ii) TCP (iii) GSM (iv) IP

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Q21 short answer 2 marks
What is an URL ?

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Q22 short answer 2 marks
Write short notes on Open NMS.

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Q23 short answer 2 marks
What is Digital Signature ?

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Q24 short answer
What will be the output for the following PHP Code ? <?php $x=1; switch($x) { Case 2: echo ''x is equal to 2''; break; Case 3: echo ''x is equal to 3''; break; default: echo ''x is not equal to 2, 3 ''; } ?>

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Q25 short answer
List out audio file formats.

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Q26 short answer
How do you insert page numbers in Master pages ?

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Q27 short answer
Explain Cardinality in DBMS.

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Q28 short answer
Write the output of the following PHP Snippet. $a= 'Hello'; $b= 'World'; $c=$a.$b;

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Q29 short answer
Write the syntax for a switch statement in PHP.

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Q30 short answer
Write MySQLi connection syntax with example.

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Q31 short answer
What is meant by null modem cable ? Give example.

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Q32 short answer
What is electronic fund transfer ?

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Q33 short answer
What is the output of the following Code snippet ? for ($i=5; $i>1; $i– –) { echo $i .''<br>''; }

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Q34 long answer 5 marks
(a)Write in detail about Production team roles and responsibilities. OR (b)Explain the tools in PageMaker tool box.

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Q35 long answer 5 marks
(a)List the basic concepts of ER Model with suitable example. OR (b)Explain ‘foreach’ loop with example.

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Q36 long answer 5 marks
(a)Describe about OSI model with its layers. OR (b)Explain IP address and its classification.

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Q37 long answer 5 marks
(a)What is meant by Registered Jack ? Explain briefly about the types of Jacks. OR (b)Explain the key players of a credit card payment system.

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Q38 long answer 5 marks
(a)Write the advantages and disadvantages of E-Commerce. OR (b)What will be the output for the following operators ? (i)a%b ($a=5; $b=2;) (ii)5==5.0 (iii)5===5.0 (iv)(5>3) && (5>7) (v)! (5>3)

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