CBSE Class 12 Informatics Practices Sample Paper 2022 Set 03

CBSE Class 12 Informatics Practices Sample Paper 2022 Set C. 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) State two advantage of networking computers instead of having stand alone computers.

b) What was the objective behind developing UNICODE?

c) Expand the following terms:

i) WAN

ii) OSS

d) What is the purpose of switch in a network?

e) Identify the following devices:

i) An intelligent device that connects several nodes to form a network and redirects the received information only to intended node(s).

ii) A device that regenerates (amplifies) the received signal and re-transmits it to its destination.

f) What is the name of the network topology in which each node is connected independently using a switch? Draw diagram of that topology.

g) What is meant by "Denial of Service" with reference to Internet service?

2. a) Distinguish between ' / ' and ' % ' operators.

b) What is a button group? Which control is generally used with a button group?

c) Which property of ListBox is used to display values in the list?

d) Which tags of HTML are used to

i) Change the font in a page

ii) Add a row in a table?

e) What will be the values of variables sum and sum1 after the execution of the following loops?

f) What will be the value stored in jTextArea1 after the execution of the following loop?

for (int I=5; I<=25; I+=5)

jTextArea1. setText(jTextArea1. getText( ) + " "+Integer.toString(2*I));

g) Explain with the help of example(s) the difference between container and empty tags of HTML.

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