CBSE Class 12 Informatics Practices Question Paper Solved 2019

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++;

jTextField1.setText(""+z);

jTextField2.setText(""+t);

OR

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

int x,y,z,t;

t = 3;

z = 0;

do

{

z = z+1;

}

while (t>3);

jTextField1.setText(""+z);

jTextField2.setText(""+t);

(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>

<end>

OR

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";

b="your";

c="surroundings";

d="clean";

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

x=b+c+d;

x=a.concat(x);

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

jLabel2.setText(x.toUpperCase());

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

Tags: 

 


Click to View or Download pdf file
Click for more Informatics Practices Study Material

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

Revised SOP preventive measures followed while conducting examinations

Revised SOP on preventive measures to be followed while conducting examinations to contain spread of COVID-19 issued by Ministry of Health & Family Welfare Examination centres are frequented by large number of students (as well as their parents) and staff till the...

Keep your kids engaged during Lockdown

Kids are the Future of our Country! Outlines have changed and so should the formats of existence! It is the best time to teach our kids the pleasure of Self-Discipline, Self-Realization and Self-Control. To keep the future generation safe in such unpredictable...

Conduct of the practical work during the lockdown

CBSE has advised schools to follow the Alternative Calendar developed by NCERT to continue education during the lockdown through alternative modes to achieve learning outcomes. Schools have reportedly started using these calendars and other prescribed pedagogical...

×
Studies Today