Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/12 May/June 2025 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 2, May/June 2025: the question paper and its official mark scheme, 5 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 5
- Marks
- 75
- Grade A from
- 48
File names: 0478_s25_qp_12 · 0478_s25_ms_12
Grade thresholds for 0478/12 May/June 2025
The minimum raw marks Cambridge set for each grade on this component (out of 75). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E | F | G |
|---|---|---|---|---|---|---|
| 48 | 36 | 24 | 20 | 17 | 14 | 11 |
Topics in this paper
Which syllabus chapters 0478/12 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| The Internet and its Uses | 1 | 23 |
| Data Representation | 2 | 22 |
| Software | 1 | 22 |
| Hardware | 1 | 8 |
Questions in 0478/12 May/June 2025
- Question 1
A computer stores data temporarily in random access memory (RAM). (a) RAM is one example of primary storage. Give one other example of primary storage. (b) Give one reason why data is only stored temporarily in the RAM. (c) The …
- Question 2
A student has an image file stored on their computer. (a) The image file was taken by a digital camera. Tick (✓) one box to show whether a digital camera is an example of an input, output, process or storage …
- Question 3
A programmer writes a program to store and sort all the data for the books in her home library. (a) The programmer uses a high-level language to write the program. One reason for writing the program using a high-level language …
- Question 4
An employee uses a computer that has a Von Neumann architecture to complete many different tasks in their working day. (a) The computer has a central processing unit (CPU). Complete the table of components in the CPU and their descriptions. …
- Question 5
A hospital has computers and technology that it uses when caring for its patients. (a) One computer is an expert system that is used to help diagnose a patient’s illness. The doctor inputs the patient’s symptoms into an interface and …
Other Computer Science papers from May/June 2025
- 0478/11 Computer systems
- 0478/13 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic