CBSE Class 12 Informatics Practices Sample Paper 2021 Set A

CBSE Class 12 Informatics Practices Sample Paper 2021 Set A. 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) A company has 3 departments namely Administrative, Sales, Production. Out of telephone cable, Optical Fiber, Ethernet Cable, which communication medium is best for high speed communication between departments ?

b) Name one open source Indian operating system.

c) What is the purpose of a Server in a network ?

d) What do the following top level domains signify ?

i .com

ii .org

e) List 2 measures to secure a network.

f) Distinguish between MAC address and IP address with the help of example of each.

g) Distinguish between Phonetic text entry and keymap based entry of typing Indian language text.

2. a) Which HTML tag and corresponding attributes are used to include an image as the background of an HTML document?

b) How are tags used in XML different from tags in HTML? Write 2 points.

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

d) Write HTML code for the following:To provide hyperlink to a website : http://www.xavier.com

e) Difference between:

1) <BR> and <P>

2) <OL> and <UL>

f) What is the role of <TR> tag in creating table?

3.a) 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?

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