12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Published on: 01/09/2020
12th Standard Computer Application English Medium Important 3 Mark Creative Questions (New Syllabus) 2020
Download Tamil Nadu 12th Standard Computer Applications question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Computer Applications Test

1.
When a company is can be called E-business?
2.
Write some of the features of Open Source Hardware
3.
What are the two methods of Real-time gross settlement transactions.
4.
Write short note on. Var_dump( ) function with Example
5.
Write a short note on Row (or Record or tuple)
6.
List few commonly used databases.
7.
Write hort note on Master Page
8.
Write the steps to save a Document with a new name or in a different location
9.
Write the steps to Select Text using the mouse
10.
What is EDI interchange?
11.
What is mean by Debit Card?
12.
What is the role of Electronic payment system?
13.
How is Multimedia available in public places?
14.
What is the use of digital signature?
15.
Write notes on Flat name Space?
16.
Explain briefly about fwrite( ) function.
17.
Write the Validation rules for HTML input fields.
18.
Write a short notes on Second to Third Generation Bridge of Mobile Networks
19.
List some Applications of Internet.
20.
Write a php program to display the string "Hello World" 5 times using "for loop".
21.
Write a php program to check whether the given number is positive or negative.
22.
Write the advantages of functions.
23.
What is the use of SQL statements in PHP?
24.
Draw the For loop Structure and Flow chart
25.
What are the disadvantages of Using Internet?
1.
A company can be called E-Business if and only if
(i) It has the ability to conduct business electronically over the Internet.
(ii) It manages payment transaction through the Internet.
(iii) It has a platform for selling products & services via the Internet.
2.
(i) Remix
(ii) Remake
(iii) Remanufacture
(iv) Redistribute
(v) Resell
(vi) Study and Learn
3.
1. Unconditional - the beneficiary will receive funds regardless of whether he fulfills his obligations to the buyer or whether he would deliver the goods or perform a service of a quality consistent with the order.
2. Irrevocable - a correctly processed transaction cannot be reversed andits money cannot get refunded (theso-called settlement finality).
4.
(i) The var_dump( ) function is used to dump information about a variable.
(ii) This function displays structured information such as type and value of the given variable.
(iii) Arrays and objects are explored recursively with values indented to show structure.
Example:
\($\)x = "COMPUTER APPUCATION!";
\($\)x = null;
var dump(\($\)x);
?>
OUTPUT: NULL
5.
(i) A single entry in a table is called a Row or Record or Tuple.
(ii) Set of related data are represented in a row or tuple.
(iii) The horizontal entity in a table is known as a Record or row.
6.
(i) DB2
(ii) MySQL
(iii) Oracle
(iv) PostgreSQL
(v) SQLite
(vi) SQL Server
(vii) Sybase
7.
(i) Master Pages commonly contain repeating logos, page numbers, headers, and footers. They also contain non printing layout guides, such as column guides, ruler guides, and margin guides
(ii) A master item cannot be selected on a document page
(iii) You can create, modify, and delete objects on master pages just like any other objects, but you must do so from the master pages themselves
8.
(i) You can save a document with a new name or in a different location using Save As command. Save As command creates a new copy of the document. So, two versions of the document exist. The versions are completely separate, and the work you do on one document has no effect on the other.
(ii) To save a document with a new name or in a different location
1. Choose File > Save As in the menu bar. (or) Press Shift + Ctrl + S in the keyboard. Now Save Publication dialog box will appear.
2. Type a new name or specify a new location.
3. Click the Save button.
9.
To select text using a mouse, follow these steps :
1. Place the Insertion point to the left of the first character to be selected.
2. Press the left mouse button and drag the mouse to a position where you want to stop selecting.
3. Release the mouse button.
4. The selected text gets highlighted.
| To Select | Press |
|---|---|
| A Word | Double-click with I-beam |
| A Paragraph | Triple-click with I-beam |
10.
(i) The top level of EDIFACT structure is Interchange.
(ii) An interchange may contain multiple messages.
(iii) It starts with UNB and ends with UNZ.
11.
Debit Card is an electronic payment card where the transaction amount is deducted directly from the card holder's bank account upon authorization .
12.
Electronic payment system ensures the transfer of value from one subject of the economy to another and plays an important role in modern monetary systems.
13.
(i) Multimedia is available in many public places like trade shows, libraries, railway stations, museums, malls, airports, banks, hotels and exhibitions in the form of kiosks.
(ii) The information presented in kiosk are enriched with animation, video, still pictures, graphics, diagrams, maps, audio and text. Banks uses kiosks in the form of ATM machines.
14.
A digital signature is a mechanism that is used to verify that a particular digital document, message or transaction is authentic.
15.
(i) Flat name space is where the name is assigned to the IP address.
(ii) They do not have any specific structure .
(iii) In this flat namespace, some meaningful names are been given to IP address for accessing.
Disadvantage:
(i) Flat name Space cannot be used in large system. Because they need to be accessed and controlled centrally to avoid ambiguity and redundancy.
(ii) But it is difficult in flat name system. To avoid this major disadvantage hierarchical name space is used in large.
16.
PHP write a File:
The fwrite( ) function is used to write to a file.
Syntax:
fwrite($myfile, $txt);
Example:
< ?php
$myfile = fopen("new_schooLfile.
txt", "w'')
or die("Unable to open file!'');
$txt = "School Name\n";
fwrite($myfile, $txt);
$txt = "Student Name\n";
fwrite($myfile, $txt);
fclose($myfile);
? >
17.
Validation rules for HTML input field:
| Name (text Input) | : | Must contain letters and white-spaces |
| Email (Text Input) | : | Must contain @ and .strings |
| Website (Text Input) | : | Must contain a valid URL |
| Radio | : | Must be selectable minimum one value |
| Check Box | : | Must be checkable minimum one value |
| Drop Down menu | : | Must be selectable minimum one value |
18.
(i) GPRS was introduced here, it is seen as an excess period of mobile networking development, between 2G and 3G.
(ii) GPRS is a data service which enables mobile devices to send and receive messages, picture messages, and e-mails.
(iii) It allows most popular operating speeds of up to 115kbit/s, latterly maximum of 384kbit/s by using EDGE
19.
1. Download programs and files
2. Social media
3. E-Mail
4. E-Banking
5. Audio and Video Conferencing
6. E-Commerce
7. File Sharing
8. E-Governance
9. Information browsing
10. Search the web addresses for access through a search engine
11. Chatting.
20.
< ?php
for ($x = 0; $x < = 5; $x++)
{
echo "Hello World < br >";
}
? >
21.
< ?php
$x = -12;
if ($x > 0)
{
echo "The number is positive";
}
else{
echo "The number is negative";
}
? >
22.
1. Reducing duplication of code
2. Decomposing complex problems into simpler pieces
3. Improving clarity of the code
4. Reuse of code
5. Information hiding
23.
The SQL query statements are helping with PHP MySQL extension to achieve the objective of MySQL and PHP connection.
24.
25.
(i) Simply wasting the precious time on Internet by surfing, searching unwanted things.
(ii) unnecessary information is also there, why because anyone can post anything on their webpage, blogs.
(iii) Hackers and viruses can easily theft our more valuable information available in the Internet. There a lot of security issues are there in E-banking
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Biology

Computer Technology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English

French
Tamilnadu Stateboard Standards