CBSE Class 12 Informatics Practices Question Paper Solved 2019

Scroll down for PDF

CBSE Class 12 Informatics Practices Question Paper Solved 2019. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

1. (a) Write the functions of the following pieces of network hardware :

(i) Modem

(ii) Switch

(b) Write two ways used to make sure that the data is secure and is available only to the intended and authorized persons in a network.

(c) Expand TCP/IP. Write the purpose of TCP/IP in communication of data on a network.

(d) Expand the following terms :

(i) MAC Address

(ii) ODF

(e) Explain in brief any one freedom offered by Open Source Software.

Write one example for each of the following :

(i) An Open Source Operating System

(ii) An Open Source Office Suite

2. (a) Write the data type of variables that should be used to store the following in Java :

(i) Sales amount (of Sales) achieved by a Sales Person

(ii) Roll Number of Student

(b) Distinguish between isSelected() and setSelected() methods of Java with the help of example.

(c) What will be displayed in jTextField1 and jTextField2 when the following code is executed ?

int x,y,z,t;

x = 3;

y = 8;

z = x+y/8;

t = z++;




What will be displayed in jTextField1 and jTextField2 when the following code is executed ?

int x,y,z,t;

t = 3;

z = 0;



z = z+1;


while (t>3);



(d) The following HTML code has error(s). Rewrite the correct code underlining corrections made.

<ol type="A" begin="4">

<li>List item 1</li>

<li>List item 2</li>

<li>List item 3</li>



Expand XML. For what purpose is XML used ?

(e) Write the output that will be displayed on jLabel1 and jLabel2.

String a,b,c,d,x;

a= "Keep";




int e = b.length()/4+d.length()*2;



jLabel1.setText("The value of e = "+e); 


Please click the link below to download pdf file of CBSE Class 12 Informatics Practices Question Paper Solved 2019.


Click on the text For more study material for Informatics Practices please click here - Informatics Practices

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Error in the evaluation of answer sheets in CBSE

The education board has witnessed many events where invigilators are being suspended for allotting wrong marks to the students.  This has affected students mainly of classes X and XII in the 2019 CBSE Board Exams. The central board of secondary education has taken...


Central Board of Secondary Education, CBSE is to conduct the 10th and 12th Board Examination 2020 from February 15, 2020. Due to University Admissions, CBSE has shifted Board Exams dates from 1 March to February 15 from 2019. This year too CBSE would be making changes...

CBSE to launch 'Tamanna' aptitude test

Introduction: The poor decisive condition of students to pursue their subject of interest has been an area of concern. To the ease of which CBSE is to launch ‘Tamanna’. An aptitude test in order to provide a line of guidance to students of class 9th and 10th. What is '...

How to crack a competitive examination

“How I crack a competitive examination” is a frequently asked question by today’s students. Cracking a competitive exam is a challenging task. Attaining a huge amount of study and solving several complex problems in a limited amount of time is a huge task. Competitive...

CBSE to conduct a voluntary test for class 11th and 12th

Nowadays students have the liberty to choose the field they seem to fit in. A few years back the problem was parents who burdened children with their own choices. On the other side, now students along with their parent's support are free to choose their field. Not any...

Extension of dates by CBSE for Single Girl Child Merit (SGC) scholarship

CBSE has announced to extend dates for SGC scholarship. Previously the dates to submit the SGC scholarship form were 18 October 2019. Now dates have shifted. For online submission, the last date is 31st October. Whereas date for submission of hard copies of renewal...

Studies Today