Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/12 Feb/March 2025 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 2, Feb/March 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
- 49
File names: 0478_m25_qp_12 · 0478_m25_ms_12
Grade thresholds for 0478/12 Feb/March 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 |
|---|---|---|---|---|---|---|
| 49 | 39 | 28 | 24 | 20 | 15 | 10 |
Topics in this paper
Which syllabus chapters 0478/12 Feb/March 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Software | 2 | 23 |
| Data Representation | 2 | 21 |
| Data Transmission | 1 | 17 |
| The Internet and its Uses | 2 | 14 |
Questions in 0478/12 Feb/March 2025
- Question 1
(a) Complete the sentences about number systems. Use the items from the list. Some of the items in the list will not be used. You should only use an item once. …
- Question 2
An artist creates an image on a computer. (a) State what is meant by the colour depth of an image. (b) Describe the relationship between the resolution of the image and the file size of the image. (c) The artist …
- Question 3
A computer has a central processing unit (CPU), memory and secondary storage. (a) The computer has a Von Neumann architecture. Circle three registers that are found in the Von Neumann architecture. accumulator arithmetic register binary counter binary register control register …
- Question 4
An automated teller machine (ATM) is a device where a person inserts their bank card and can request to withdraw money. The ATM also allows the person to check how much money they have in their bank account. (a) A …
- Question 5
A computer is connected to a network. (a) The computer has a network interface card (NIC) that has a media access control (MAC) address. (i) One purpose of the NIC is to provide the computer with a MAC address. Describe …
- Question 6
A search engine uses artificial intelligence (AI) to identify the most relevant web pages for the user. (a) One characteristic of AI is the ability to learn. Identify three other characteristics of AI. …
- Question 7
Programs can be written in a high-level language or a low-level language. (a) Machine code is one type of low-level language. Identify one other type of low-level language. Identify the translator that is needed for the type of low-level language …