Computer Applications 2021 Question Paper Online Test (12th Standard)

Q1

Expand JPEG :

A.Joint Processor Experts Group B.Joint Photo Experts Gross C.Joint Photographic Expression Group D.Joint Photographic Experts Group

Q2

Match the following :
(1) Text - (i) TGA
(2) Image - (ii) OGG
(3) Audio - (iii) MPEG
(4) Video - (iv) RTF

A.(1)-(iv), (2)-(i), (3)-(ii), (4)-(iii) B.(1)-(i), (2)-(ii), (3)-(iii), (4)-(iv) C.(1)-(iii), (2)-(iv), (3)-(i), (4)-(ii) D.(1)-(ii), (2)-(iii), (3)-(iv), (4)-(i)

Q3

A __________ is used for magnifying the particular portion of the area.

A.Zoom tool B.Text tool C.Hand tool D.Line tool

Q4

An entity set that does not have enough attributes to form primary key is known as :

A.Identity set B.Strong entity set C.Owner set D.Weak entity set

Q5

In PHP, Default syntax should start with __________ and end with __________.

A.<?,?> B.<php,> C.<?php,> D.<?php,?>

Q6

Statement which is used to make choice between two options and only option is to be performed is :

A.then else statement B.if statement C.else one statement D.if else statement

Q7

PHP supports which types of looping techniques :

A.while loop B.foreach loop C.for loop D.all the above

Q8

How many parameter are required for MySQLi close function in PHP ?

A.3 B.1 C.5 D.2

Q9

A set of computers connecting together is called as __________.

A.Hub B.Network C.Node D.Server

Q10

Wi-Fi stands for __________.

A.Wired Optic Fibre B.Wireless Fidelity C.Wireless Optic Fibre D.Wired Fidelity

Q11

Which of the following is used to maintain all the directory of domain names ?

A.Name Space B.Domain Name System C.IP Address D.Domain Name Space

Q12

If the source code of a software is freely accessible by the public, then it is known as :

A.Open Source B.Freeware C.Public Source D.Firmware

Q13

Which of the following is not a tangible goods ?

A.Medicine B.Mobile C.Flower bouquet D.Mobile Apps

Q14

Which of the following is correctly matched ?

A.Stored Value Card - Pay later B.Credit Cards - Pay before C.Smart Card - Pay anytime D.Debit Cards - Pay now

Q15

Which is the first industry-specific EDI standard ?

A.Master B.TDCC C.ANSI D.VISA

12th Standard Computer Applications Supplementary 2021: Online Practice Test

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