CBSE Class 12 Computer Science Question Paper 2021 Code 91 (Set-4) (Compartment) is available for download here. CBSE conducted the Class 12 Computer Science exam on September 8, 2021 from 10:30 AM to 1:30 PM. The Computer Science theory paper is of 70 marks.
Also Check: CBSE Class 12 Question Paper 2021 (All Subjects)
The Computer Science question paper includes the following types of questions:
- The question paper has 40 questions for 70 marks in 3 hours, with 15 minutes of extra reading time (10:15 AM to 10:30 AM)
- Part A carries 23 marks: Section I has 21 one-mark multiple-choice questions of which any 15 are attempted, and Section II has 2 compulsory case studies of which any 4 of 5 sub-parts (1 mark each) are attempted in each
- Part B is descriptive: Section I has 10 questions of 2 marks each (internal choice in two), Section II has 4 questions of 3 marks each (internal choice in two) and Section III has 3 questions of 5 marks each (internal choice in one)
- Both Part A and Part B are compulsory and both have choices
- All programming questions are answered in Python only
CBSE Class 12 Computer Science Question Paper 2021 Code 91 (Set-4) (Compartment) PDF
| CBSE Official PDF | CD PDF | CD PDF with Solutions |
|---|---|---|
| Download official PDF 0.71 MB | Download Collegedunia PDF 0.71 MB | – |
CBSE Class 12 Computer Science 2021 Question Paper Details
| Exam | CBSE Class 12 Board Examination 2021 |
| Subject | Computer Science |
| Paper code | 91 (Set-4) (Compartment) |
| Exam date | September 8, 2021 |
| Time allowed | 3 hours (plus 15 minutes of reading time, 10:15 AM to 10:30 AM) |
| Maximum marks | 70 |
| Total questions | 40 (attempt 34) |
CBSE Class 12 Computer Science Question Paper Pattern and Marking Scheme
The CBSE Class 12 Computer Science 2021 question paper is of 70 marks and has 40 questions, of which 34 are to be attempted. The tables below give the section-wise paper pattern and the split of marks, as printed in the official question paper.
CBSE Class 12 Computer Science Question Paper Pattern 2021
| Section | Questions | Question Type | Choice | Marks per Question | Marks |
|---|---|---|---|---|---|
| Part A, Section I | Q1-Q21 | Multiple-choice questions (select the most appropriate option), attempt any 15 of 21 | Any 15 of 21 | 1 | 15 |
| Part A, Section II | Q22-Q23 | Case study-based questions with 5 sub-parts each, attempt any 4 sub-parts of 1 mark each | All 2 | 4 | 8 |
| Part B, Section I | Q24-Q33 | Short-answer questions of 2 marks each, with internal choice in 2 questions | All 10 | 2 | 20 |
| Part B, Section II | Q34-Q37 | Long-answer questions of 3 marks each, with internal choice in 2 questions | All 4 | 3 | 12 |
| Part B, Section III | Q38-Q40 | Very long-answer questions of 5 marks each, with internal choice in 1 question | All 3 | 5 | 15 |
| Total | 40 questions | Attempt 34 | 70 |
CBSE Class 12 Computer Science Marks Distribution 2021
| Question Type | Questions to Attempt | Marks per Question | Total Marks |
|---|---|---|---|
| Multiple-choice questions (select the most appropriate option), attempt any 15 of 21 (Part A: Section I) | 15 | 1 | 15 |
| Case study-based questions with 5 sub-parts each, attempt any 4 sub-parts of 1 mark each (Part A: Section II) | 2 | 4 | 8 |
| Short-answer questions of 2 marks each, with internal choice in 2 questions (Part B: Section I) | 10 | 2 | 20 |
| Long-answer questions of 3 marks each, with internal choice in 2 questions (Part B: Section II) | 4 | 3 | 12 |
| Very long-answer questions of 5 marks each, with internal choice in 1 question (Part B: Section III) | 3 | 5 | 15 |
| Total | 34 | 70 |
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