CBSE Class 12 Informatics Practices Sample Paper 2022 Set 01

Informatics Practices
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Section-A
 
1. (a) Which of the following are open standards?
.OGG    .DOC    .BMP   .ODF
 
(b) Ms. Ivana, a leading marketing professional working in a multinational company, is most of the time on move to cater her profession demands. Although she carries her laptop with her all the time but many a times she require to take some data from her office PC. She has to make several requesting phone calls to her colleague Ms. Barbara to send her required documents from her office PC. Suggest her any one popular software name so that she can herself remotely access her office PC anytime from anywhere.
CBSE Class 12 Informatics Practices Sample Paper 2022 Set A 1
 
(c) Write the URL of any one e-Governance website.
 
(d) International Tour and Travels company has set up its new branch office in Jaipur where different buildings are spanned over in the radius of 900 meter in Jaipur. Name the network formed in the following situations :
(i) The branch office is connected with the regional office in New Delhi.
(ii) All the buildings of branch office are connected to each other.
 
(e) Deepti is confused between the terms ASCII and Unicode. Help her by differentiating between ASCII and Unicode.
 
(f) Many of the programming brains has shifted their focus from Proprietary software to Free and Open software. Mention any two freedom offered by Free software.Going with the flow, Sandhya has downloaded a software from the internet which can be freely distributed and used by anyone but the source code is not available. Is it Freeware or free software? Justify your answer as well.
 
Similarly Premjith wants to install a software on his system that can help him to create, edit and save office documents but he does not want to purchase the software. Suggest him a good software for the same.
 
2. (a) Ruby, a class XI student has just started learning java programming. Help her in the following:
i. Explain her the concept of variable and data type by suitable example.
ii. Help her in understanding the difference between assignment operator and comparison operator with the help of appropriate example.
 
(b) Will the output from the following two code be any different?
First Code:
int x=2,y=40;
while(y<=x) {
jTextField1.setText(""+x);
x=x+8;
}
Second Code :
int x=2,y=40;
do {
jTextField1.setText(""+x);
x=x+8;
} while(y<=x);
Give reasons for your answer.
 
OR
 
(b) Predict the output of the following code:
int n=4,f=0,i;
for(i=1;i<=n;i++)
{
f=f*i;
}
jTextField1.setText(""+f);
jTextField2.setText(""+i);
(c) Dev, a website designer with “Creative Designers Pvt. Ltd.” has written the following
code. Observe the code given below and answer the following questions:
<company>
<employee eid=1>
<name>Albert</name>
<dept deptid=“d1”>Computer</dept>
</employee>
<employee eid=2>
<name>Manisha</name>
<dept deptid=“d2”>Accounts</dept>
</employee>
</company>
i.Are these tags part of HTML code or XML code?
ii.Identify the root element.
iii.Mention any two child elements.
iv.Mention any two attributes
 
OR
 
(c) Mention any two main differences between HTML and XML. Also mention any two main features of XML for which it’s used extensively now a days.
 
3. (a) What is the purpose of SQL? 
(b) Mr. Manav, a database administrator in “Global Educational and Training Institute” has created following table named “Training” for the upcoming training schedule

CBSE Class 12 Informatics Practices Sample Paper 2022 Set A 2

 
Help him in writing SQL query for the following purpose:
i. To count how many female candidates will be attending the training.
ii. To display list of free trainings.
iii. To display all the cities where Cyber Security training is scheduled along with its fee.
iv. To add a column feedback with suitable data type.
 
(c) Observe the table named “Training” given above carefully and predict the output of the following queries:
i. select city from training where topic = 'Cyber Security';
ii. select count(Training_Id) from training where email_id like '%gmail% ';
iii. select AVG (Fee) from training where Topic = 'Cyber Security';
iv. select name from training where INSTR (Email_Id, '@’)=0;
 
(d) What is the degree and cardinality of the above given table named ‘Training’.


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  • Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 12.
  • Gap Analysis: Check performance drops across sets to isolate specific Class 12 Informatics Practices topics needing extra attention.
  • Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.

Steps to Follow After Completing CBSE Class 12 Informatics Practices Sample Paper 2022 Set 01

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 12 Informatics Practices when stuck before re-attempting problems.

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