CBSE Class 12 Information Practices Boards 2021 Sample Paper Solved

Informatics Practices
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Sample Question Papers for Class 12 Informatics Practices

Review targeted exam resources with the CBSE Class 12 Information Practices Boards 2021 Sample Paper Solved. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 12 Informatics Practices sample papers support effective revision and performance tracking.

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Part - A
Section - I
Attempt any 15 questions from questions 1 to 21
1 State whether True or False :
i. A copyright is automatically granted to authors or creators of content. _________
 
ii. In FOSS source code is usually hidden from the users. _______________
 
2 Fill in the blanks :
The command used to give a heading to a graph is _________
a. plt.show()
b. plt.plot()
c. plt.xlabel()
d. plt.title()
 
3. Write the output of the following SQL command.
select round(49.88);
a. 49.88
b. 49.8
c. 49.0
d. 50
 
4 Given a Pandas series called Sequences, the command which will display the first 4 rows is __________________.
a. print(Sequences.head(4))
b. print(Sequences.Head(4))
c. print(Sequences.heads(4)
d. print(Sequences.Heads(4))
 
5 Given the following Series S1 and S2:
 
Using Python Matplotlib _________ can be used to count how many values fall into each interval
a. line plot
b. bar graph
c. histogram
 
7 To prevent unauthorized access to and / or from the network, a system known as ____________, can be implemented by hardware and / or software.
 
8 In a DataFrame, Axis= 1 represents the_____________ elements.
 
9 Which of the following is not a network topology :
Star, Mesh , Tree, Bug , Bus
 
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Class 12 Informatics Practices CBSE Class 12 Information Practices Boards 2021 Sample Paper Solved PDF Download Guide

Explore downloadable sample sets for Class 12 Informatics Practices. Utilizing the CBSE Class 12 Information Practices Boards 2021 Sample Paper Solved allows learners to gauge exam readiness and master official CBSE assessment structures.

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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 Information Practices Boards 2021 Sample Paper Solved

  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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