0478 May/June 2025 Past Papers — IGCSE Computer Science
IGCSE Computer Science — the May/June 2025 examination series: 6 question papers with their mark schemes, the examiner report and the grade thresholds. Under each paper is ZAK's question map: the topic, marks, command words and assessment objectives of every question, each one a click away from its mark scheme in the past-paper practice tool.
Papers
6
2 papers × 3 variants
Questions mapped
50
450 marks · 33 shared with 2210
Examiner report
Yes
per-question comments
Grade thresholds
Yes
marks needed for each grade
Paper 1 — Computer Systems
1h 45m · 75 marks · 50%
0478/11 Paper 1, variant 1
| Q | Marks | Topic | Command words | AO mix |
|---|---|---|---|---|
| Q1= 2210 | 4 | Data Representation | State, Give, Tick | AO1 3 · AO3 1 |
| Q2= 2210 | 9 | Data Representation | Identify, Give, Convert | AO1 1 · AO2 6 · AO3 2 |
| Q3= 2210 | 4 | Data Representation | Complete | AO2 4 |
| Q4= 2210 | 12 | Data Transmission | Describe, Explain, Identify, Give, Tick | AO1 7 · AO3 5 |
| Q5= 2210 | 9 | Hardware | Explain, Identify, Complete | AO1 4 · AO2 5 |
| Q6= 2210 | 9 | Data Transmission | Give, Complete | AO1 8 · AO3 1 |
| Q7= 2210 | 11 | Hardware | Describe, Explain, Identify, Give | AO1 8 · AO3 3 |
| Q8= 2210 | 7 | Software+ Automated and Emerging Technologies (6) | State, Give | AO1 5 · AO3 2 |
| Q9= 2210 | 10 | The Internet and Its Uses+ Software (3) | State, Describe, Give | AO1 10 |
Q links open the question with its mark scheme. 9 questions · 75 marks mapped. Questions marked “= 2210” were set word for word under 2210 too; the bank keeps them under the 2210 reference.
0478/12 Paper 1, variant 2
| Q | Marks | Topic | Command words | AO mix |
|---|---|---|---|---|
| Q1= 2210 | 13 | Data Representation | Explain, Give, Convert | AO1 1 · AO2 9 · AO3 3 |
| Q2= 2210 | 9 | Data Representation | State, Explain, Give, Tick | AO1 9 |
| Q3= 2210 | 22 | Software+ Data Transmission (7) | State, Describe, Explain, Identify, Give, Complete | AO1 15 · AO2 7 |
| Q4= 2210 | 8 | Hardware | Explain, Complete | AO1 6 · AO3 2 |
| Q5= 2210 | 23 | Automated and Emerging Technologies+ The Internet and Its Uses (13) | Describe, Explain, Give, Complete | AO1 11 · AO2 6 · AO3 6 |
Q links open the question with its mark scheme. 5 questions · 75 marks mapped. Questions marked “= 2210” were set word for word under 2210 too; the bank keeps them under the 2210 reference.
0478/13 Paper 1, variant 3
| Q | Marks | Topic | Command words | AO mix |
|---|---|---|---|---|
| Q1 | 12 | Data Representation | Give, Complete, Convert, Show, Tick | AO1 2 · AO2 10 |
| Q2 | 6 | Hardware | Give | AO1 4 · AO3 2 |
| Q3 | 10 | Hardware | Identify, Complete, Circle | AO1 5 · AO2 5 |
| Q4 | 6 | Software | Describe, Give | AO1 6 |
| Q5 | 16 | The Internet and Its Uses | Describe, Identify, Give, Complete, Tick | AO1 11 · AO2 5 |
| Q6 | 15 | Automated and Emerging Technologies | Explain, Identify, Give | AO1 12 · AO3 3 |
| Q7 | 10 | Data Transmission | Describe, Complete | AO1 10 |
Q links open the question with its mark scheme. 7 questions · 75 marks mapped.
Paper 2 — Algorithms, Programming and Logic
1h 45m · 75 marks · 50%
0478/21 Paper 2, variant 1
| Q | Marks | Topic | Command words | AO mix |
|---|---|---|---|---|
| Q1= 2210 | 1 | Algorithm Design and Problem-Solving | Tick | AO1 1 |
| Q2= 2210 | 7 | Algorithm Design and Problem-Solving | Identify, Draw, Name | AO1 7 |
| Q3= 2210 | 4 | Programming | Rewrite | AO2 4 |
| Q4= 2210 | 8 | Programming+ Algorithm Design and Problem-Solving (3) | Explain, Write | AO2 8 |
| Q5= 2210 | 4 | Programming | State, Give | AO1 4 |
| Q6= 2210 | 6 | Programming | Identify, Give | AO1 2 · AO2 4 |
| Q7= 2210 | 8 | Boolean Logic | Complete, Draw, Consider | AO2 8 |
| Q8= 2210 | 7 | Databases | State, Identify, Write, Complete | AO1 1 · AO2 5 · AO3 1 |
| Q9= 2210 | 8 | Programming | Write | AO2 8 |
| Q10= 2210 | 7 | Algorithm Design and Problem-Solving | Explain, Complete | AO2 7 |
| Q11= 2210 | 15 | Programming | Write | AO3 15 |
Q links open the question with its mark scheme. 11 questions · 75 marks mapped. Questions marked “= 2210” were set word for word under 2210 too; the bank keeps them under the 2210 reference.
0478/22 Paper 2, variant 2
| Q | Marks | Topic | Command words | AO mix |
|---|---|---|---|---|
| Q1= 2210 | 1 | Algorithm Design and Problem-Solving | Tick | AO2 1 |
| Q2= 2210 | 3 | Programming | Draw | AO1 3 |
| Q3= 2210 | 4 | Algorithm Design and Problem-Solving | Suggest | AO2 4 |
| Q4= 2210 | 7 | Programming | State, Write | AO2 6 · AO3 1 |
| Q5= 2210 | 11 | Programming | Explain, Identify, Write | AO1 4 · AO2 7 |
| Q6= 2210 | 10 | Programming | State, Explain, Complete | AO1 3 · AO2 7 |
| Q7= 2210 | 10 | Algorithm Design and Problem-Solving+ Programming (5) | Explain, Complete | AO2 10 |
| Q8= 2210 | 8 | Boolean Logic+ Programming (4) | Write, Complete, Draw, Consider | AO2 8 |
| Q9 | 6 | Databases | Complete, Name | AO1 4 · AO2 2 |
| Q10 | 15 | Programming | Write | AO3 15 |
Q links open the question with its mark scheme. 10 questions · 75 marks mapped. Questions marked “= 2210” were set word for word under 2210 too; the bank keeps them under the 2210 reference.
0478/23 Paper 2, variant 3
| Q | Marks | Topic | Command words | AO mix |
|---|---|---|---|---|
| Q1 | 10 | Algorithm Design and Problem-Solving | Explain, Complete | AO2 10 |
| Q2 | 3 | Programming | Draw | AO1 3 |
| Q3 | 12 | Programming | Explain, Identify, Write, Complete | AO1 2 · AO2 10 |
| Q4 | 11 | Algorithm Design and Problem-Solving+ Programming (6) | State, Write, Suggest | AO1 2 · AO2 5 · AO3 4 |
| Q5 | 8 | Databases | Complete, Name | AO1 8 |
| Q6 | 8 | Programming | Describe, Complete | AO1 3 · AO2 5 |
| Q7 | 8 | Boolean Logic | Write, Complete, Draw, Consider | AO2 8 |
| Q8 | 15 | Programming | Write | AO3 15 |
Q links open the question with its mark scheme. 8 questions · 75 marks mapped.
Topics in this session
Marks per topic, added up over every variant of the paper (a question that spans topics shares its marks between them). See how each topic behaves across all sessions on the Statometer.
Paper 1 225 marks over 3 variants
- Data Representation51 marks · 23% · trend
- Data Transmission38 marks · 17% · trend
- The Internet and Its Uses36 marks · 16% · trend
- Automated and Emerging Technologies31 marks · 14% · trend
Paper 2 225 marks over 3 variants
- Programming141 marks · 63% · trend
- Algorithm Design and Problem-Solving43 marks · 19% · trend
- Boolean Logic20 marks · 9% · trend
Command words in this session
How many of the session's questions use each command word — each one tells you what the mark scheme wants.
- Complete 22
- Give 18
- Explain 16
- Identify 13
- Write 12
- State 10
- Describe 9
- Tick 7
- Draw 6
- Consider 3
- Convert 3
- Name 3
- Suggest 2
- Circle 1
- Rewrite 1
- Show (that) 1
Question papers, mark schemes, examiner reports and grade thresholds are © Cambridge Assessment International Education; the links open the PDFs on PapaCambridge (BestExamHelp or Cambridge's own site where PapaCambridge lacks a file). The question map shows references, marks and ZAK's topic and assessment-objective tagging only — topics and AOs are estimated from the question and mark-scheme wording.