CBSE Class 12 Informatics Practices Sample Paper 2022 Set B

Informatics Practices
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Read and download PDF of CBSE Class 12 Informatics Practices Sample Paper 2022 Set B designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Informatics Practices Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Informatics Practices Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Informatics Practices Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Informatics Practices Pdf

Students can refer to the below Class 12 Informatics Practices Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Informatics Practices Sample Paper 2022 Set B

Informatics Practices Class 12 Sample Paper

1 (a) Which protocol is used for transferring the files to and from a remote host? 
 
(b) What is snooping? 
 
(c) Define the following: Repeater and a Gateway 
 
(d) Write one point of difference between a freeware and free software? 
 
(e) Which transmission medium should be used to transfer data across two countries at very high speed?
 
(f) Give any one advantage and one disadvantage of star topology? 
 
(g)An Internet Service Provider has a network within a city area. Which type of network is it? 
 
2 (a) Which method of j Frame is used to close the frame without closing the NETBEANS application.
 
(b) Write a java code that accepts two numbers from the user and print the smaller one. 
(c) What will be the value of sum after executing the following code:
int sum= 0, x;
for ( x =1; x <=5; ++ x)
{
sum+=x;
}
 
(d)What is the difference between Entry Level Loop and Exit Level Loop? Explain with an Example.
 
(e)While working with Netbeans, Ashita included a TextArea control which contains a list of students. What code she should write to add one more student name at the end of the TextArea?
 
(f) How many times does the following loop execute? What is its type (Entry controlled or Exit controlled)?
int x=2,y=20;
while( x < = y)
{
JOptionPane.showMessageDialog(null, “ “ + x);
x=x+4;
}
 
3 (a) Which command is used in Mysql to discard the changes in database? 
 
(b) Raju wants to change the schema of the table “ STUDENT ” which already exists in the database STUD1234. Which command he will use.
 
(c)What is the purpose of the following query.
 
SELECT COUNT(*) FROM ELECTION GROUP BY city.
 
(d) Manav created a table student in Mysql. He does not require the email_id column available in the student table. Which command will he issue to remove the email_id from the student table?
 
(e) Define Equi- Join and Cross Join with an example. 
 
(f) The CoachName column of a table “Club” is given below:
CBSE Class 12 Informatics Practices Sample Paper 2022 Set B 1
 
Based on this information, find the output of the following queries:
(a) SELECT CoachName FROM C LUB WHERE CoachName LIKE‟%a%‟;
(b) SELECT CoachName FROM C LUB WHERE CoachName LIKE „a%‟;
 
(g) A table book in a database has 5 columns and no rows in it. What is its degree?What will be its degree if 3 rows are added in the table?
 
4 (a) Given an int variable K with value 102. It is to be converted into equivalent string i.e “102 ”.What are the two ways of doing that?
 
(b)What will be the content of jTextArea1 after executing the following statement :
jTextArea1.setText(“ java is \n wonderful programming \t language “);
 
(c ) Rewrite the following program code using a Switch statement:
if (code ==1)
Month = "January";
else if (code ==2)
Month = "February";
else if (code==3)
Month = "March";
else if (code==4)
Month = "April";
else
Month = "No Match";
 
(d) Define the term “Fall Through”. Explain with an example. 
(e)What will be the contents of JTextField1 and JTextFiled2 after executing the following code
jTextField1.setText(Math.round(2.5)+""); jTextField2.setText("Micro".concat("System"));
 
(f) A cloth show room has announced the following festival discount on the purchase of items based on the total cost of the item purchased
CBSE Class 12 Informatics Practices Sample Paper 2022 Set B 2
(a) Write a Java code to calculate the discount based on the above criteria. 
 
(b) Write a Java code to Disable the discount Text Field. 
 
(c) Write a Java code to close the application when you click the Exit button. 
 
(d) Write a Java code to enter only positive value in Amount Text Field. If the user enters the
negative value display an error message through the Dialog window and clear the text field.


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2021
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2020
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2019
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2018
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2017
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2015
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2014
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2013
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2012
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2011
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CBSE Class 12 Informatics Practices Sample Paper 2022 Set B

We hope you liked the above provided CBSE Class 12 Informatics Practices Sample Paper 2022 Set B. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to understand the way sample Paper are set by teachers. Students can download the Sample Paper for Class 12 Informatics Practices which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. By doing CBSE Class 12 Informatics Practices Sample Paper 2022 Set B you will understand the regular questions and MCQ questions for Class 12 Informatics Practices which are always asked. You can download CBSE Class 12 Informatics Practices Sample Paper and Class 12 Informatics Practices Question Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Informatics Practices MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.

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