CBSE Class 12 Computer Science Answer Key 2026: The Central Board of Secondary Education conducted the Class 12 Computer Science exam today, March 25, 2026. The exam started at 10:30 AM and continued till 1:30 PM. The clas 12th Cmputer science theory exam carries 70 marks. The question paper includes 5 sections (A to E) with a total of 37 questions. Class 12th Computer Science 2026 paper follows the National Education Policy (NEP) guidelines, featuring 50% competency-based questions(case studies and MCQs)
The board does not release the CBSE Class 12 Computer Science Answer Key 2026. Our experts prepared the unofficial CBSE Class 12 Computer Science Answer Key 2026. The detailed analysis of the students' reaction will also be provided here.
CBSE Class 12 Computer Science Unofficial Answer Key 2026
| Questions | Answers |
| 1. In Python dat type of 74 is the same as the data type 74.0. (True/False) | False |
| 2. Identify the output: s="the truth", print(s,capitalized) | (A) The Truth |
| 3. Which of the following expressions in Python evaluates to True? | (C) 3>1 and 3>2 |
| 4. Out of s.partition ("by") for s = 'war and peace by Leo Tolstoy' | (A) ('War and Peace', 'by' 'Leo Tolstoy') |
| 5. Ouput of print ("PythonProgram"[-1:2:-2] | (B) m r o h |
| 6. Output of code: t = tuple ('tple'), t2= t[2], t+=t2, prin(t) | (C) ('t' 'u' 'p' 'l' 'e' 'p') |
| 7. Which of the following statements is true about dictionaries in Python | (A) A dictionary cannot have two elements with same key |
| 8. If L is a list with 6 elements, which will raise an exception | (B) L.pop(6) (Index 6 is out of range for length 6) |
| 9. Out put of code: def f1 (a, b=1): print... | (C) 3-None |
| 10. Correct file mode to open the file in read only mode (binary)? | (B) rb |
| 11. Logical errors can be handled using try...except...finally(true/false) | False |
| 12. A tabble has two candidate keys, one is choosen as primary. How many alternate keys? | (B) 1 |
| 13. Which SQL command can change the degree (number of columns) of a relation? | Alter Table |
| 14. Output of SELECT MACHINE_ID, MACHINE_NAME FROM INVENTORY WHERE QUANTITY <=100; | (D) ID and name of machines with quantity less than or equal to 100 |
| 15. Relation has 3 tuples, 3 attributes, 2 attributes deleted, 4 tuples added, Cardinality? | (C) 6 (Original 2 + New=6) |
| 16. Which aggregate function in SQL returns the smallest value? | (A) MIN () |
| 17. Expanded form of RJ 45 is | Registered Jack 45 |
| 18. Netwrok device serving as entry/exit point of a networ? | (B) Gateway |
| 19. Exam XML | eXtensible Marckup Language |
| 20. Assertion: [1,2,3]+'123' is invalid. Reason:List cannot be concatnated with string | Both and A and R are true R is the correct explanation |
| 21. Assertion: PRIMARY KEY ensures unique and not NULL. Candidate keys are not eligible. | Assertion is true but Reason is false. |
CBSE Class 12 Computer Science Exam Analysis 2026
The 2026 paper is expected to focus on conceptual application over rote memorisation. The detailed exam analysis wil be shared below.
| Section | Type of Questions | Marks | Difficulty |
| Section A | MCQs & Assertion-Reason | 21 | Easy |
| Section B | Very Short Answer (2m) | 14 | Easy |
| Section C | Short Answer (3m) | 9 | Easy to Moderate |
| Section D | Case Study / Long (4m) | 16 | Moderate |
| Section E | Long Answer (5m) | 10 | Moderate |
| Overall Dofficulty Level of the paper |
Moderate | ||
According to the subject experts, the CBSE Class 12th Computer Scince question paper focused mainly (for the majority) on application-based.
Students who appeared for the Political Science exam can cross-check their answers through CBSE 12 Political Science Answer Key 2026 (OUT) provided by our subject experts.
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To calculate marks, compare your answers with the key and assign marks as per CBSE marking scheme. Add correct responses and avoid deductions, as there is no negative marking.
Students can estimate their expected score by matching answers with the key. Scores vary depending on accuracy, but most well-prepared students are expected to score in a good range.
Students can download the answer key PDF from coaching institute websites, educational portals, and YouTube channels. Ensure checking reliable sources for accurate and updated set-wise solutions.
Yes, several coaching institutes and educators begin releasing unofficial answer keys shortly after the exam. These provide quick solutions and help students estimate their scores early.
Unofficial answer keys are expected within hours after the exam ends, typically by coaching institutes. Official CBSE answer keys, if released, may take longer and are not always published.
Initial student reactions suggest the paper was moderate and fair. Many students felt confident, though some mentioned tricky programming questions that required careful thinking and time management.
Students indicate that programming and case-study sections are relatively lengthy. Writing code and analyzing outputs require more time, while theory-based questions are comparatively quicker to attempt.
Overall, the paper is considered moderate. Students report a balanced mix of easy and moderately challenging questions, with no unexpected topics, making it accessible for well-prepared candidates.
The mid-exam difficulty level is reported as moderate. While most questions are straightforward, some programming and case-based questions may be slightly tricky, testing students’ application and logic skills.
As per early feedback, the paper appears balanced, covering Python, SQL, and theory sections. Most students find it manageable, though a few questions may require deeper conceptual understanding.
Experts will be preparing provisional answer keys based on student feedback and paper analysis.
Unofficial answer keys are expected shortly after the exam ends, while official ones are not released by the board.
Questions include Python programming, SQL queries, networking concepts, and case-study based problems.
The difficulty level is reported to be moderate, with a few tricky questions.
Initial reactions suggest the paper is balanced with a mix of theory and programming questions.
CBSE Class 12 Computer Science exam 2026 commenced at 10:30 AM as per the schedule. The exam will continue for 3 hours and will conclude at 1:30 PM.
Carry admit card, valid ID, required stationery, and follow all CBSE guidelines and reporting time strictly.
Revise key formulas, Python syntax, SQL queries, and stay calm instead of learning new topics.
The paper is usually moderate in difficulty, with a balanced mix of theory and practical-based questions.
Yes, the exam is being conducted today as per the official CBSE schedule from 10:30 PM to 1:30 PM.