Cambridge IGCSE · 0478 · Paper 1 · Computer systems
Computer Science 0478/13 May/June 2023 past paper
Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 3, May/June 2023: the question paper and its official mark scheme, 11 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 75
- Grade A from
- 42
File names: 0478_s23_qp_13 · 0478_s23_ms_13
Grade thresholds for 0478/13 May/June 2023
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 |
|---|---|---|---|---|---|---|
| 42 | 31 | 20 | 16 | 13 | 10 | 7 |
Topics in this paper
Which syllabus chapters 0478/13 May/June 2023 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| The Internet and its Uses | 2 | 23 |
| Software | 3 | 19 |
| Data Representation | 1 | 11 |
| Hardware | 2 | 9 |
| Data Transmission | 2 | 9 |
| Automated and Emerging Technologies | 1 | 4 |
Questions in 0478/13 May/June 2023
- Question 1
Computers store data as binary. The binary number 10101110 is stored. (a) Convert the binary number to denary. Working space (b) Convert the binary number to hexadecimal. Working space (c) A logical left shift of three places is performed on …
- Question 2
A library has a self-checkout system that allows customers to register books that they want to borrow. The self-checkout system has a central processing unit (CPU). The CPU has two cores. (a) State the purpose of a core in the …
- Question 3
Five network terms or definitions are given in the table. Complete the table by giving the missing term or definition. Term Definition router This address is assigned by the network and used to identify a device on a network. network …
- Question 4
A programmer writes a computer program in a high-level language. (a) Tick (3) one box to show which statement is a benefit of writing a program in a high-level language, instead of a low-level language. A The program can directly …
- Question 5
Complete and annotate the diagram to demonstrate how packet switching is used to transmit data across a network, including the use of routers, from Device A to Device B. Device A Device B
- Question 6
A student is writing a help guide about how to recognise and avoid the cyber-security threat of pharming. (a) Give three appropriate solutions he could include. …
- Question 7
The rule base and the inference engine are two components of an expert system. (a) Identify the other two components of an expert system. …
- Question 8
Complete the statements about a distributed denial of service (DDoS) attack. Use the terms from the list. Some of the terms in the list will not be used. You should only use a term once. anti-virus bot botnet hacker internet …
- Question 9
A device can be given an internet protocol (IP) address. This can be an IPv4 or IPv6. (a) Give one similarity between IPv4 and IPv6. (b) Describe two differences between IPv4 and IPv6. …
- Question 10
A computer has pages A, B and C that are stored in RAM. Page D needs to be sent to the RAM but the RAM is full. Page B is not needed immediately. Explain how virtual memory can be used …
- Question 11
Software is installed on a computer to manage files, memory and multitasking. (a) State the name of the software that can do these tasks. (b) Give one task that the software allows the user to do to manage files. (c) …
Other Computer Science papers from May/June 2023
- 0478/11 Computer systems
- 0478/12 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic
- 0478/23 Algorithms, programming & logic