CBSE Class 12 Informatics Practices Sample Paper 2022 Set B

CBSE Class 12 Informatics Practices Sample Paper 2022 Set B. CBSE issues sample papers every year for students for Class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

1. a) Given below are two addresses:

i.http://www.abc.com/index.htm

ii. 182.68.9.165

Identify which one of the above is an IP address and which one is a URL.

b) Expand

i) ODF

ii) HTT

c) How is a Trojan Horse harmful to a network?

d) What do the following top level domains signify?

i. .edu

ii. .org

e) Write two advantage each of Star and Bus topology used in networking.

f) List two measures to secure a computer network.

g) What is common in all of the following software(s)?

Firefoz, Perl, PHP , OpenOffice.org

Write one feature of the above category of software.

2. a) What is the impact of e-Learning sites on students learning process?

b) Write two advantage of e-Business sites.

c) Write three important features of e-Governance? Give URL of one of the commonly used e-Governance.

d) Jaina is creating a form for her practical file. Help her to choose most appropriate controls from List Box, Combo Box, TextField, TextArea, Radio Button, Check box, Label and Commad button for the following entries from user.

i. A message "Enter Name" in front of a Text Field.

ii. An input to choose more than one subjects from a set of given choices.

iii. An input for entering comments of user.

iv. An input for accepting the residential area out of Rural and Urban as options.

3. a) Write the name of HTML tag used to include numbered list in a HTML web Page.

d) Write HTML code for the following:

To provide hyperlink to a website : http://www.cbse.nic.in

c) Difference between:

1) <BR> and <HR>

2) <OL> and <UL>

d) What is the role of ALIGN attribute of <P> tag?

4. a) (i) What will be the values of varibles 'P' and 'Q' after the execution of the following code? 

int P,Q=0;

for(P=1; P<=4; P++)

{

Q+=P;

Q - ;

}

(ii) Also convert the above coding lines to while loop.

b) How many time each of the following loops execute? Which one of these is an entry control loop and which one is an exit control loop?

Please click the link below to download CBSE Class 12 Informatics Practices Sample Paper 2022 Set B