Computer Applications question insights
What 11 years of ICSE Class 10 Computer Applications papers actually asked — by chapter, question length, type, difficulty and diagrams. Every figure is computed from the 340 questions in this bank.
These are descriptive statistics of past papers, not predictions. A chapter appearing often historically does not guarantee it will appear again.
Which chapters carry the most weight
A prominence index combining how many papers a chapter appeared in and its share of total marks.
Chapter prominence index (0–100)
- Arrays95/100Appeared in 91% of papers (10/11) · 23.4% of all marks (302) · 39 Qs
- Revision Tour II90/100Appeared in 91% of papers (10/11) · 20.5% of all marks (265) · 69 Qs
- String Manipulation88/100Appeared in 100% of papers (11/11) · 16.5% of all marks (213) · 43 Qs
- User-Defined Methods75/100Appeared in 91% of papers (10/11) · 11.9% of all marks (154) · 32 Qs
- Library Classes71/100Appeared in 100% of papers (11/11) · 6.4% of all marks (82) · 51 Qs
- Revision Tour I66/100Appeared in 91% of papers (10/11) · 6.5% of all marks (84) · 58 Qs
- Class as the Basis of All Computation63/100Appeared in 82% of papers (9/11) · 8.4% of all marks (108) · 20 Qs
- Constructors63/100Appeared in 91% of papers (10/11) · 5.0% of all marks (65) · 15 Qs
- Encapsulation51/100Appeared in 82% of papers (9/11) · 1.3% of all marks (17) · 13 Qs
Index = 60% appearance frequency + 40% marks share, across all available papers. Historical, not predictive.
Arrays leads: it appears in 91% of papers (10 of 11) and carries 23.4% of all marks (302) across 39 questions.
Most questions asked
Share of all questions, by chapter.
Percentages are of the full 340-question bank.
Most marks asked
Share of total marks, by chapter.
Percentages are of the 1,290 marks across all papers.
Short vs long questions
Short = less than 2 marks (recall / one-liners). Long = 2 marks or more (explanations, diagrams, reasoning).
Overall split
- Short (<2 marks)140(41%)
- Long (≥2 marks)200(59%)
Short vs long by chapter
How each chapter's questions divide between short and long.
- Short (<2 marks)
- Long (≥2 marks)
- Revision Tour II42% short (29) · 58% long (40)
- Revision Tour I55% short (32) · 45% long (26)
- Library Classes39% short (20) · 61% long (31)
- String Manipulation33% short (14) · 67% long (29)
- Arrays21% short (8) · 79% long (31)
- User-Defined Methods44% short (14) · 56% long (18)
- Class as the Basis of All Computation50% short (10) · 50% long (10)
- Constructors27% short (4) · 73% long (11)
- Encapsulation69% short (9) · 31% long (4)
Most short-answer-heavy chapters
Best for quick recall and one-mark practice.
- Encapsulation69%9/139 of 13 are short (under 2 marks)
- Revision Tour I55%32/5832 of 58 are short (under 2 marks)
- Class as the Basis of All Computation50%10/2010 of 20 are short (under 2 marks)
- User-Defined Methods44%14/3214 of 32 are short (under 2 marks)
- Revision Tour II42%29/6929 of 69 are short (under 2 marks)
Most long-answer-heavy chapters
Where higher-mark, explanation-type questions cluster.
How questions are framed
Question types
Share of all questions, by format.
- MCQ41%140
- Program23%79
- Output15%50
- Short answer12%42
- Difference5.0%17
- Definition3.2%11
- Reasoning0.3%1
By marks
Share of all questions, by weight.
- 1 mark41%140
- 2 marks41%140
- 10 marks1.8%6
- 15 marks16%54
By difficulty
Share of all questions, by rating.
- Easy35%118
- Moderate37%125
- Hard29%97
Diagram load
Chapters where diagram-based questions are most concentrated.
Most diagram-heavy chapters
Share of the chapter's questions that include a diagram.
Year-by-year trends
Shown as a share of each paper, so years stay comparable even though 2021 and 2022 used the reduced semester format with fewer questions.
Short-answer share by year
Percentage of the paper's questions worth less than 2 marks.
Diagram share by year
Percentage of the paper's questions that include a diagram.
Chapter coverage by year
How many questions each chapter contributed to each paper. Darker = more questions.
Chapter × year heatmap
| Chapter | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Arrays | 2 | 3 | 3 | 3 | 2 | 4 | 4 | 5 | 7 | 6 | |
| Class as the Basis of All Computation | 2 | 2 | 1 | 1 | 5 | 1 | 3 | 3 | 2 | ||
| Constructors | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | |
| Encapsulation | 2 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | ||
| Library Classes | 4 | 4 | 4 | 6 | 5 | 2 | 5 | 6 | 7 | 4 | 4 |
| Revision Tour I | 4 | 5 | 4 | 4 | 5 | 19 | 6 | 4 | 2 | 5 | |
| Revision Tour II | 5 | 6 | 6 | 5 | 6 | 15 | 7 | 6 | 7 | 6 | |
| String Manipulation | 3 | 3 | 3 | 2 | 4 | 1 | 6 | 4 | 4 | 6 | 7 |
| User-Defined Methods | 4 | 1 | 2 | 4 | 1 | 4 | 5 | 3 | 4 | 4 |
Most frequently tested topics
Recurring topics across chapters.