CBSE Class 12 Computer Science Boards 2021 Sample Paper Solved

Computer Science
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Official CBSE Practice Papers for Class 12 Computer Science

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

Solved Model Papers for Computer Science

Access the complete sample paper PDF for Class 12 Computer Science below. Regular practice with these targeted mock exams builds familiarity with expected question patterns and chapter weightage to help secure higher marks.

Part-A Marks
allocated
Section-I
Select the most appropriate option out of the options given for each question. Attempt any 15 questions from question no 1 to 21.
 
1 Find the invalid identifier from the following
 
a) MyName
 
b) True
 
c) 2ndName
 
d) My_Name
 
2 Given the lists L=[1,3,6,82,5,7,11,92] , write the output of print(L[2:5]) 
 
3 Write the full form of CSV. 
 
4 Identify the valid arithmetic operator in Python from the following.
 
a) ?
 
b) <
 
c) **
 
d) and
 
5 Suppose a tuple T is declared as T = (10, 12, 43, 39), which of the following is incorrect?
 
a) print(T[1])
 
b) T[2] = -29
 
c) print(max(T))
 
d) print(len(T))
 
6 Write a statement in Python to declare a dictionary whose keys are 1, 2, 3 and values are Monday, Tuesday and Wednesday respectively.
 
7 A tuple is declared as T = (2,5,6,9,8)
 
What will be the value of sum(T)?
 
8 Name the built-in mathematical function / method that is used to return an absolute value of a number.
 
9 Name the protocol that is used to send emails.
 
10 Your friend Ranjana complaints that somebody has created a fake profile on Facebook and defaming her character with abusive comments and pictures.Identify the type of cybercrime for these situations.
 
11 In SQL, name the clause that is used to display the tuples in ascending order of an attribute.
 
12 In SQL, what is the use of IS NULL operator?
 
13 Write any one aggregate function used in SQL. 
 
14 Which of the following is a DDL command?
 
a) SELECT b) ALTER c) INSERT d) UPDATE
 
15 Name The transmission media best suitable for connecting to hilly areas. 
 
16 Identify the valid declaration of L:
L = [‘Mon’, ‘23’, ‘hello’, ’60.5’]
 
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Free study material for Computer Science

Model Practice Papers & Solutions for Class 12 Computer Science

Get Started with CBSE Class 12 Computer Science Boards 2021 Sample Paper Solved (CBSE)

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

Why Practice Class 12 Computer Science Sample Papers?

  • Exam Blueprint: Understand mark allocations and structural guidelines relevant to Class 12 evaluations.
  • Targeted Improvement: Identify weak areas in Class 12 Computer Science requiring focused revision.
  • Pacing & Precision: Practice mixed question formats to build execution speed and ensure timely paper completion.

Post-Practice Strategy for Class 12 Computer Science

  1. Self-Evaluation: Score your answers using official guidance to track your academic progress.
  2. Mistake Correction: Class 12 pupils must re-solve questions answered incorrectly to master the correct method.
  3. Continuous Practice: Take additional Computer Science sample modules online to maximize preparedness for CBSE evaluations.

FAQs

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Are solutions provided for CBSE Class 12 Computer Science Boards 2021 Sample Paper Solved?

Yes, CBSE Class 12 Computer Science Boards 2021 Sample Paper Solved comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Computer Science to help students of Class 12 understand correct methodology and marking scheme.

How can practicing CBSE Class 12 Computer Science Boards 2021 Sample Paper Solved help in exam preparation?

Practicing this Computer Science paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

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