Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/13 May/June 2025 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 3, May/June 2025: the question paper and its official mark scheme, 7 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 7
- Marks
- 75
- Grade A from
- 44
File names: 0478_s25_qp_13 · 0478_s25_ms_13
Grade thresholds for 0478/13 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 |
|---|---|---|---|---|---|---|
| 44 | 33 | 21 | 18 | 15 | 12 | 9 |
Topics in this paper
Which syllabus chapters 0478/13 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Data Transmission | 3 | 41 |
| Software | 2 | 18 |
| Data Representation | 1 | 10 |
| Hardware | 1 | 6 |
Questions in 0478/13 May/June 2025
- Question 1
A student records himself singing a song for his music project. The recorded sound is converted to binary to be processed by a computer. (a) Give one input device the student can use to record the song. (b) The student …
- Question 2
A company employee is editing a video for the company’s website. Data is stored in the random access memory (RAM) when the video is edited. The RAM becomes full and pages of data are transmitted to a partitioned section of …
- Question 3
A computer with a Von Neumann architecture has several hardware components. (a) Complete the table with the missing terms and descriptions about computer hardware. Term Description This is the address given to a network interface card (NIC) when it is …
- Question 4
A computer has an operating system. One function of the operating system is handling interrupts. (a) Describe the role of the operating system in handling interrupts. (b) Give two other functions of an operating system. …
- Question 5
An online company has a website that allows a user to buy products. The user types in the uniform resource locator (URL) for the website and this is sent to a domain name server (DNS). (a) Describe the role of …
- Question 6
A weather station uses automated systems to collect and analyse data about the weather. The automated system uses sensors. (a) Give one other component that would be part of the automated system. (b) One sensor that is part of the …
- Question 7
Data is sent from an employee’s computer to a server. The data is correct when it is sent, but an error is detected when the data is received. (a) Describe how an error can occur in the data during transmission. …
Other Computer Science papers from May/June 2025
- 0478/11 Computer systems
- 0478/12 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic