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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: 01/03/2021
12th Standard English Medium Computer Applications Reduced Syllabus One mark Important Questions with Answer key - 2021(Public Exam)
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.
Number of characters in an single EDIFACT messages
5
6
4
3
2.
EDI interchanges starts with _________ and ends with _________
UNA, UNZ
UNB, UNZ
UNA, UNT
UNB, UNT
3.
Which of the following is an internationally recognized standard format for EDI?
TSLFACT
SETFACT
FTPFACT
EDIFACT
4.
3-D Secure, a protocol was developed by
Visa
Master
Rupay
PayTM
5.
Secure Electronic Transaction (SET) was developed in
1999
1996
1969
1997
6.
Which of the following is not a security element involved in E-Commerce?
Authenticity
Confidentiality
Fishing
Privacy
7.
Which of the following is true about Virtual payment address (VPA)?
Customers can use their e-mail id as VPA
VPA does not includes numbers
VPA is a unique ID
Multiple bank accounts cannot have single VPA
8.
Which of the following is correctly matched
Credit Cards - pay before
Debit Cards - pay now
Stored Value Card - pay later
Smart card – pay anytime
9.
Which of the following is not a category of micropayment?
Buying a movie ticket
Subscription to e journals
Buying a laptop
Paying for smartphone app
10.
G2G systems are classified into
Internal facing and external facing
Internet and Extranet
First wave and Second wave
Left facing and Right facing
11.
Which of the following is not correctly matched
The First Wave of Electronic Commerce: 1985 -1990
The Second Wave of Electronic Commerce: 2004 – 2009
The Third Wave of Electronic Commerce: 2010 – Present
Dotcom burst: 2000 – 2002
12.
SME stands for
Small and medium sized enterprises
Simple and medium enterprises
Sound messaging enterprises
Short messaging enterprises
13.
Open NMS was released in _____
1999
2000
2003
2004
14.
Fill in the blanks : NS2 comprises of ______key languages?
13
3
2
4
15.
Which of the following can document every incident that happened in the simulation and are used for examination?
Net Exam
Network hardware
Trace file
Net document
16.
If the source code of a software is freely accessible by the public, then it is known as
freeware
Firmware
Open source
Public source
17.
Which wiring standard is used for connecting two computers directly?
straight Through wiring
Cross Over wiring
Rollover wiring
None
18.
Which connector is used in the Ethernet cables?
RJ11
RJ21
RJ61
RJ45
19.
Which cable is used in cable TV?
UTP cable
Fibre optics
Coaxial cable
USB cable
20.
TLD stands for
Top Level Data
Top Logical Domain
Term Level Data
Top Level Domain
21.
Which of the following initiates the mapping of domain name to IP address?
Zone
Domain
Resolver
Name servers
22.
Maximum characters used in the label of a node?
255
128
63
32
23.
How many bits are used in the IPv6 addresses?
32
64
128
16
24.
Which one of the following will secure data on transmissions
HTTPS
HTTP
FTP
SMTP
25.
Wi-Fi stands for ___________
Wireless Fidelity
wired fidelity
wired optic fibre
wireless optic fibre
26.
Which innovation made the people to use Internet?
Social web
Mobile technology
Mobile App
Both a & b.
27.
Facebook was created in _______________ year
2002
2004
2013
2010
28.
People now a days getting relaxed via
Business
Corporate company
News papers
Social media
29.
Which among them was challenging to the business people on computer networking
Hacking
Viruses
Both a & b
none of this above
30.
Computer network devices that originates route and terminate the data were called as
Hub
Resource
Node
Cable
31.
Which version of PHP supports MySQLi functions ?
Version 2.0
Version 3.0
Version 4.0
Version 5.0
32.
Which is the not a correct MySQL Function in PHP ?
Mysqli_connect() Function
Mysqli_close() Function
mysqli_select_data() Function
mysqli_affected_rows() Function
33.
Which is the correct function Closing Connection in PHP ?
mysqli_close(“Connection Object”);
close(“Connection Object”);
mysql_close(“Connection Object”);
mysqli_close(“Database Object”);
34.
What does fopen() function do in PHP?
It used to open files in PHP
It used to open Remote Server
It used to open folders in PHP
It used to open Remote Computer
35.
What will be the output of the following PHP code ?
< ?php
for (\($\)x = -1; \($\)x < 10;--\($\)x)
{
print \($\)x;
}
? >
123456713910412
123456713910
1234567139104
Infinite loop
36.
What will be displayed in a browser when the following PHP code is executed:
< ?php
for (\($\)counter = 20; \($\)counter < 10;
\($\)counter++){
echo “Welcome to Tamilnadu “;
}
echo “Counter is: $counter”;
? >
Welcome to Tamilnadu
Counter is: 20
Welcome to Tamilnadu Counter is: 22
Welcome to Tamilnadu Welcome to Tamilnadu Counter is: 22
37.
Which loop evaluates condition expression as Boolean, if it is true, it executes statements and when it is false it will terminate?
For loop
For each loop
While loop
All of them
38.
What will be the output of the following PHP code ?
< ?php
\($\)x = 10;
\($\)y = 20;
if (\($\)x > \($\)y + \($\)y != 3)
print “hi” ;
else
print “how are u”;
? >
how are u
hi
error
no output
39.
Statement which is used to make choice between two options and only option is to be performed is written as
if statement
if else statement
then else statement
else one statement
40.
Which one of the following is the right way of defining a function in PHP?
function { function body }
data type functionName(parameters) { function body }
functionName(parameters) { function body }
function fumctionName(parameters) { function body }
41.
What will be the output of the following PHP code?
< ?php
\($\) num = 1;
\($\) num1 = 2;
print \($\) num . “+”. \($\) num 1 ;
? >
3
1 + 2
1.+.2
Error
42.
Which of the following must be installed on your computer so as to run PHP script?
Adobe
windows
Apache
IIS
43.
What does PHP files have a default file extension?
.html
.xml
.php
.ph
44.
_____ represents a “tuple” in a relational database?
Table
Row
Column
Object
45.
The _____ diagram gives a logical structure of the database graphically?
Entity-Relationship
Entity
Architectural Representation
Database
46.
To select an entire document using the keyboard, press ______.
Ctrl + A
Ctrl + B
Ctrl + C
Ctrl + D
47.
Which menu contains the New option?
File menu
Edit menu
Layout menu
Type menu
48.
49.
One of the disadvantages of the multimedia is its __________
cost
adaptability
usability
relativity
1.
(b)
6
2.
(b)
UNB, UNZ
3.
(d)
EDIFACT
4.
(a)
Visa
5.
(b)
1996
6.
(c)
Fishing
7.
(c)
VPA is a unique ID
8.
(b)
Debit Cards - pay now
9.
(c)
Buying a laptop
10.
(a)
Internal facing and external facing
11.
(a)
The First Wave of Electronic Commerce: 1985 -1990
12.
(a)
Small and medium sized enterprises
13.
(a)
1999
14.
(c)
2
15.
(c)
Trace file
16.
(c)
Open source
17.
(b)
Cross Over wiring
18.
(d)
RJ45
19.
(c)
Coaxial cable
20.
(d)
Top Level Domain
21.
(d)
Name servers
22.
(c)
63
23.
(c)
128
24.
(a)
HTTPS
25.
(a)
Wireless Fidelity
26.
(d)
Both a & b.
27.
(b)
2004
28.
(d)
Social media
29.
(c)
Both a & b
30.
(c)
Node
31.
(d)
Version 5.0
32.
(c)
mysqli_select_data() Function
33.
(a)
mysqli_close(“Connection Object”);
34.
(a)
It used to open files in PHP
35.
(d)
Infinite loop
36.
(b)
Counter is: 20
37.
(c)
While loop
38.
(b)
hi
39.
(b)
if else statement
40.
(d)
function fumctionName(parameters) { function body }
41.
(b)
1 + 2
42.
(c)
Apache
43.
(c)
.php
44.
(b)
Row
45.
(a)
Entity-Relationship
46.
(a)
Ctrl + A
47.
(a)
File menu
48.
(a)
49.
(a)
cost
12th Standard Syllabus & Materials
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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