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12th Standard

TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

NEW

12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

12th Standard English Medium Computer Applications Reduced Syllabus Creative One mark Question with Answer key - 2021(Public Exam)

Published on: 01/03/2021

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.

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Std: 12th Standard - Computer Applications

chapter: - Model Question paper

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Questions:

Multiple Choice Question

50 x 1 = 50

The First business to business transaction was established in the year _______________

(a)

1995

(b)

1981

(c)

1985

(d)

1987

___________ is a platform for advertising products to targeted consumers.

(a)

Television

(b)

Radio

(c)

Mobile phones

(d)

social Media

In OpenNMS, Data are Gathering by using ______________.

(a)

SNMP

(b)

JMX

(c)

Both a and b

(d)

None of these

_____________ and ____________ are used to create and run NS2.

(a)

OTCL and C++

(b)

OTCL and Java

(c)

C and C++

(d)

None of these

Which of the following organization is not related to Open Source?

(a)

Apache Software Foundation

(b)

The Document Foundation

(c)

The Eclipse Foundation

(d)

Initiative Foundation

A)	RJ45 connector	-	1)	Crimping Tool
B)	Ethernet	-	2)	Small 8 jack inside
C)	Expansion card	-	3)	NIC
D)	RJ45 Cable	-	4)	Ethernet cable

(a)

1 2 3 4

(b)

2 3 1 4

(c)

4 3 2 1

(d)

2 3 4 1

__________ is a data type which has multiple values in single variable.

(a)

Integer numbers

(b)

Decimal point numbers

(c)

True or False state

(d)

Array

Which of the following is an equal operator?

(a)

(b)

= =

(c)

= = =

(d)

! = =

PHP also creates ___________ Webpages in thereal time Webdevelopment projects.

(a)

Dynamic

(b)

interactive

(c)

both a and b

(d)

None of these

10.

PHP was invented in ___________

(a)

1992

(b)

1993

(c)

1994

(d)

1995

11.

In PHP, Variable name can never start with a _________

(a)

alphabet

(b)

number

(c)

both a and b

(d)

either a or b

12.

The ________________ are used to connect to the printer and other disk drivers.

(a)

parallel cables

(b)

Serial cable

(c)

coaxial

(d)

None of these

13.

______________ are mainly used in Wide Area Network (WAN).

(a)

optic cable

(b)

Network cable

(c)

fibre cable

(d)

none of these

14.

The latest version of USB has the data transfer rate _________ Gbps.

(a)

4.85

(b)

2.35

(c)

3.5

(d)

7.5

15.

______ is most popular for Web Admimstration.

(a)

PHPMYADMI

(b)

MySQL Work bench

(c)

Heidi SQL

(d)

All of the above

16.

_____________ describes a unique characteristic of an entity

(a)

Key Attribute

(b)

Simple Attributes

(c)

Composite Attributes

(d)

Single Valued Attribute

17.

A key With more than one attribute to identify rows uniquely in a table is called ___________

(a)

Candidate Key

(b)

Super Key

(c)

Foreign Key

(d)

Composite Key

18.

___________ is defined as the system's ability to recover all committed transactions during the failure of storage or the system

(a)

Durability

(b)

Consistency

(c)

Concurrency

(d)

All of the above

19.

The __________ key must not be press at the end of the each line in text block.

(a)

back space

(b)

enter

(c)

tab

(d)

arrow keys

20.

To select a word, press __________ with I - Beam.

(a)

Select click

(b)

right click

(c)

double click

(d)

triple click.

21.

In______ANSI ASC - develop d a wider range of EDI standard called ANSI X12.

(a)

1978

(b)

1979

(c)

1974

(d)

1975

22.

Every EDI message consist of __________uppercase English Alphabets

(a)

two

(b)

four

(c)

six

(d)

eight

23.

The TDCC is renamed as Electronic Data Interchange Association (EDIA) in________

(a)

1972

(b)

1978

(c)

1974

(d)

1975

24.

A digital certificate also known as________

(a)

Public key certificate

(b)

Asymmetric Key

(c)

Symmetric Key

(d)

All of the above

25.

__________ allow users to make electronic transactions quickly and Securely.

(a)

E-banking

(b)

Net banking

(c)

E-wallets

(d)

None of these

26.

________ is Indian domestic open loop card.

(a)

visa

(b)

Master

(c)

Rupay

(d)

Mastreo

27.

___________ is a free, open source container format

(a)

WAV

(b)

(c)

OGG

(d)

AIFF

28.

__________ is the process of conducting conference between more than two participants at different sites by using computer networks

(a)

Video conferencing

(b)

Web casting

(c)

Web hosting

(d)

AII of the above

29.

The WHO is a service of_______

(a)

JANA

(b)

DNS

(c)

ICANN

(d)

None of these

30.

To enable the use of domain names in a network_______ is used.

(a)

HTML

(b)

URL

(c)

DNS

(d)

IP addresses

31.

Classifications of text are _________ and ____________.

(a)

Static and Hypertext

(b)

Static and Text

(c)

Hyper and Text

(d)

All of the above

32.

________ is the best feature to select one file from the local machine to server machine

(a)

File upload

(b)

Files

(c)

Forms

(d)

All of these

33.

_____ is a process of checking the input data submitted by the user from client _machine.

(a)

File

(b)

Form

(c)

Validation

(d)

All of these

34.

Main objective of PHP and HTML form controls are________.

(a)

To collect data from users.

(b)

To create data from users.

(c)

To delete data from users.

(d)

To manipulate data from users.

35.

First Layer	-	Data Link Layer
Second Layer	-	Transport Layer
Third Layer	-	Physical Layer
Fourth Layer	-	Session Layer

(a)

1 2 3 4

(b)

3 4 1 2

(c)

4 3 1 2

(d)

4 1 3 2

36.

Which of the following is an entry check loop?

(a)

foreach

(b)

for

(c)

while

(d)

do..while

37.

The RFID tag get power from the reader through the_________Method.

(a)

Direct

(b)

propagation

(c)

Inductive Coupling

(d)

Indirect

38.

__________over mobile network is be made up of voice, data,images and text messages

(a)

Internet

(b)

Intranet

(c)

Extranet

(d)

Communication

39.

Amazon	-	Social Media
Blo	-	Online Shopping
Gmail	-	Mobile Networks
3G/4G	-	E-mail

(a)

1 2 3 4

(b)

2 3 4 1

(c)

2 1 4 3

(d)

3 1 2 4

40.

______ stores more than one value of same data type in single array variable.

(a)

Arrays

(b)

Function

(c)

Indexed array

(d)

Multidimensional array

41.

Network of network is called_________

(a)

Internet

(b)

Intranet

(c)

Exnet

(d)

Network

42.

Initial name of host is known as_______

(a)

TCP/IP

(b)

switch

(c)

nodes

(d)

CYCLADES

43.

Memex conceived in the year________

(a)

1958

(b)

1945

(c)

1962

(d)

1972

44.

A)	DB2	-	1)Open source
B)	SQL SERVER	-	2)IBM
C)	MySQL	-	3)Microsoft
D)	Oracle	-	4)Oracle Corporation

(a)

2 3 1 4

(b)

4 3 2 1

(c)

2 3 4 1

(d)

2 4 3 1

45.

How Can we Create a Database Using PHP and MySQL?

(a)

mysqli_create_db(“Database Name”)

(b)

mysqli_create_db(“Data”)

(c)

create_db(“Database Name”)

(d)

create_db(“Data”)

46.

HTML classes that is already defined and allow us to apply styles on it are called as

(a)

Pseudo classes

(b)

Css classes

(c)

Javascript classes

(d)

None

47.

Most complicated looping structure in PHP is ________

(a)

While

(b)

Do While

(c)

for

(d)

None of them

48.

What functions count elements in an array?

(a)

count

(b)

Size of

(c)

Array_Count

(d)

Count_array

49.

For finding non empty elements in array we use

(a)

is_array ( ) function

(b)

size of ( ) function

(c)

array_count ( ) function

(d)

array_count ( ) function

50.

Which of the following are correct ways of creating an array?
i) state[0] = “Tamilnadu”;
ii) $$$state[] = array(“Tamilnadu”);
iii) $$$state[0] = “Tamilnadu”;
iv) $$$state = array(“Tamilnadu”);

(a)

iii) and iv)

(b)

ii) and iii)

(c)

Only i)

(d)

ii), iii) and iv)