0478

IGCSE Computer Science (0478) Past Papers

Download free Cambridge IGCSE Computer Science past papers, mark schemes, and examiner reports from 2020 to 2025. 18 exam sessions available with question papers for all variants.

About IGCSE Computer Science Exams

IGCSE Computer Science past papers test computational thinking, programming, data representation, hardware, software, and networks. Paper 1 covers theory while Paper 2 focuses on problem-solving and programming.

Exam tip: Practice writing pseudocode and trace tables. For Paper 2, ensure your algorithms handle edge cases and include validation.

6
Years Available
18
Exam Sessions
2
Paper Types
3
Variants per Paper

What's included in each session:

QP Question Papers
MS Mark Schemes
ER Examiner Reports
GT Grade Thresholds

Past Papers by Year

0478 Paper Structure

Paper 1
Theory
1 hr 45 min • 75 marks
Paper 2
Problem-solving and Programming
1 hr 45 min • 50 marks

Prepare for Your Computer Science Exam

Past papers work best alongside structured revision. Use our free study resources to master each topic before testing yourself.

Frequently Asked Questions

Where can I download IGCSE Computer Science past papers for free?
You can download all IGCSE Computer Science (0478) past papers for free on this page. We have 18 exam sessions from 2020 to 2025, including question papers, mark schemes, and examiner reports for all variants.
Which 0478 papers should I practice?
Start with the most recent papers to see current exam style. For Computer Science, focus on your tier: Core candidates should practice Papers 1, 3, and 5/6, while Extended candidates should focus on Papers 2, 4, and 5/6. Complete at least 3-5 full papers under timed conditions before your exam.
How do I use 0478 mark schemes effectively?
After completing a paper, mark your answers using the official mark scheme. Look for: key words that earn marks, alternative acceptable answers, and common errors to avoid. Note which topics you lost marks on and prioritize revising those areas. The examiner report provides additional insight into what examiners expect.

Pro tip: Use our Exam Hub to view question papers side-by-side with mark schemes or examiner reports. This makes it easy to check your answers and understand exactly what examiners are looking for — all in one view.