Computer Science 0478/12 Oct/Nov 2023 past paper

Grade thresholds for 0478/12 Oct/Nov 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.

Topics in this paper

Which syllabus chapters 0478/12 Oct/Nov 2023 tested, by marks. Each chapter links to every past-paper question on it.

Questions in 0478/12 Oct/Nov 2023

1. Question 1The Internet and its Uses · 3 marks

   Malware can be used to corrupt data stored on a computer. (a) Tick (3) one box to show which cyber security threat is not a type of malware. A Phishing B Ransomware C Virus D Worm (b) Identify one other …

2. Question 2Data Representation · 10 marks

   A register stores the binary number: …

3. Question 3Software · 6 marks

   A user’s computer has a central processing unit (CPU) that has a clock speed of 2 GHz. She wants to change it to a CPU that has a clock speed of 3 GHz. (a) (i) State what is meant by …

4. Question 4The Internet and its Uses · 5 marks

   A washing machine is an example of an embedded system. (a) Give two characteristics of an embedded system. …

5. Question 5Data Transmission · 5 marks

   A band is recording their new song. They need to consider the sample rate and sample resolution of their recording. (a) Give one benefit of using a higher sample rate to record the song. (b) Give one drawback of using …

6. Question 6Hardware · 4 marks

   The table contains descriptions about data transmission methods. Complete the table by identifying which data transmission methods are described. Data transmission method Description Data is transmitted down a single wire, one bit at a time, in one direction only. Data …

7. Question 7Automated and Emerging Technologies · 8 marks

   A train station has a ticket inspector who checks each customer’s ticket before they are allowed to get on the train. The train station wants a system that will allow the tickets to be automatically checked. (a) Identify two suitable …

8. Question 8The Internet and its Uses · 6 marks

   (a) Draw and annotate a diagram that demonstrates the cyber security threat of data interception. (b) Identify one security solution that will help keep data safe from data interception and state why it will help keep the data safe.

9. Question 9The Internet and its Uses · 6 marks

   The table contains terms and descriptions about the internet. Complete the table with the missing terms and descriptions. Term Description the collective name for all the web pages available a small text file, stored by the web browser, that can …

10. Question 10Automated and Emerging Technologies · 7 marks

    A business has a system that is described as having artificial intelligence (AI). (a) State one of the main characteristics of an AI system. (b) An AI system is an expert system. Explain how an expert system operates.

11. Question 11Hardware · 5 marks

    A manufacturing company uses an automated system in its manufacturing process. (a) The automated system uses a flow sensor. Identify what a flow sensor measures. (b) Explain one advantage to employees of using an automated system in manufacturing. (c) Explain …

12. Question 12Data Transmission · 3 marks

    Digital currency can be used to pay for products and services. Digital currencies are often tracked using digital ledgers. (a) Give two other features of digital currency. …

13. Question 13Software · 7 marks

    Storage and memory are important components of a computer system. (a) Primary storage is one type of storage in a computer system. (i) Tick (3) one box to show which is an example of primary storage. A compact disk (CD) …

Other Computer Science papers from Oct/Nov 2023

• 0478/11 Computer systems
• 0478/13 Computer systems
• 0478/21 Algorithms, programming & logic
• 0478/22 Algorithms, programming & logic
• 0478/23 Algorithms, programming & logic