Cambridge IGCSE Computer Science 0478

Past papers, mark schemes, and examiner reports for Cambridge IGCSE Computer Science

244+ papers
Mark schemes included
Examiner reports
NEW

Algorithmic Practice Tools

Master critical exam topics with 2,000 algorithmically generated practice questions. Unlimited attempts, instant feedback, step-by-step working.

Number Conversions

Binary, denary, hex conversions & shifts

1000 questions

DIV & MOD

CRITICAL

Integer division & modulo operations

500 questions

Boolean Logic

Truth tables, simplification, gates

500 questions
View All Practice Tools →

0478 Paper Components

Cambridge IGCSE Computer Science (0478) consists of 2 papers: 0478 Paper 1 (Computer Systems), 0478 Paper 2 (Algorithms, Programming and Logic). Each paper assesses different aspects of computational thinking and programming skills.

Paper 1
1
Computer Systems
1 hr 45 min
75 marks
Paper 2
2
Algorithms, Programming and Logic
1 hr 45 min
75 marks

Assessment Overview

Cambridge IGCSE Computer Science assesses computational thinking and programming skills.

1

Paper 1: Computer Systems

Short-answer and structured questions on Topics 1 to 6: data representation, data transmission, hardware, software, the internet and its uses, and automated and emerging technologies.

2

Paper 2: Algorithms, Programming and Logic

Short-answer and structured questions on Topics 7 to 10: algorithm design and problem-solving, programming, databases and Boolean logic. Write code answers in pseudocode; only the final 15-mark scenario question can also be answered in Python, Visual Basic or Java.

Tip: Practice writing algorithms in pseudocode and your chosen programming language. Trace tables are commonly tested.

Results, remarking & retakes
How to check Cambridge results, request a remark (EAR) and the retake routes
Cambridge Oct/Nov 2026
Exams late September to mid-November • full per-paper timetable, all six zones
Nov 2026 results
IGCSE results 14 January 2027 • key dates, enquiries & retakes

IGCSE Computer Science (0478): November 2026 papers

Dates depend on your administrative zone, so some papers show a range of days. Your school or exams officer confirms your own papers and times.

  1. Paper 11h 45m9–14 Oct AM/PM
  2. Paper 21h 45m19 Oct AM/PM
Exact dates for your zone →IGCSE results: 14 January 2027

On the day: Exam-day tips · Last-minute revision · Command words

IGCSE Computer Science (0478): May/June 2027 papers

Dates depend on your administrative zone, so some papers show a range of days. Your school or exams officer confirms your own papers and times.

  1. Paper 11h 45m10–11 May AM/PM
  2. Paper 21h 45m19–20 May AM/PM
Exact dates for your zone →Results: mid-August 2027

0478 Past Papers by Year

Grade thresholds for every 0478 session →

Latest

2026

2

2 exam sessions

19 papers available

View papers
1 year ago

2025

3

3 exam sessions

40 papers available

View papers
2 years ago

2024

3

3 exam sessions

38 papers available

View papers
3 years ago

2023

3

3 exam sessions

41 papers available

View papers
4 years ago

2022

3

3 exam sessions

41 papers available

View papers
5 years ago

2021

3

3 exam sessions

41 papers available

View papers
6 years ago

2020

3

3 exam sessions

24 papers available

View papers

All Exam Sessions

2026 May-June (s26)
13 files • 10.59 MB
2026 March (m26)
6 files • 4.89 MB
2025 October-November (w25)
16 files • 3.53 MB
2025 May-June (s25)
17 files • 4.24 MB
2025 March (m25)
7 files • 1.5 MB
2024 October-November (w24)
16 files • 3.05 MB
2024 May-June (s24)
16 files • 6.77 MB
2024 March (m24)
6 files • 3.9 MB
2023 October-November (w23)
17 files • 8.55 MB
2023 May-June (s23)
17 files • 8.33 MB
2023 March (m23)
7 files • 3.16 MB
2022 October-November (w22)
17 files • 12.53 MB
2022 May-June (s22)
17 files • 12.83 MB
2022 February-March (m22)
7 files • 3.3 MB
2021 October-November (w21)
17 files • 9.2 MB
2021 May-June (s21)
17 files • 10.41 MB
2021 March (m21)
7 files • 3.19 MB
2020 October-November (w20)
17 files • 11.31 MB
2020 May-June (s20)
6 files • 5.46 MB
2020 March (m20)
1 files • 0.24 MB

About Cambridge IGCSE Computer Science 0478

Cambridge IGCSE Computer Science develops computational thinking and programming skills essential for the digital age. The course covers computer systems, algorithms, programming, and data representation. Students learn to design, write, test and refine programs using procedural and imperative programming languages. All past papers, mark schemes, and examiner reports are provided to help students prepare effectively for their examinations.