Computer Science 9618/32 May/June 2025 past paper

Topics in this paper

Which syllabus chapters 9618/32 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.

Questions in 9618/32 May/June 2025

1. Question 1Data Types and Structures · 6 marks

   Data types can be defined using pseudocode. The composite record data type, Departure, is used to represent flights from Cambridge Airport and is defined in pseudocode as: TYPE Departure DECLARE FlightNumber : STRING DECLARE Destination : STRING DECLARE FlightDate : …

2. Question 2Data Representation · 6 marks

   Numbers are stored in a computer using binary floating-point representation with: • 12 bits for the mantissa • 4 bits for the exponent • two’s complement form for both the mantissa and the exponent. (a) Calculate the normalised binary floating-point …

3. Question 3Communication and internet technologies · 5 marks

   (a) Identify two different layers of the TCP/IP protocol suite. (b) Describe how the TCP/IP protocol suite is applied when a message is sent through the internet from one host to another. Do not describe the function of individual layers …

4. Question 4Communication and internet technologies · 4 marks

   Circuit switching may be used as a method of data transmission. State two benefits and two drawbacks of circuit switching. Benefit 1 Benefit 2 Drawback 1 Drawback 2

5. Question 5System Software (A Level) · 7 marks

   The management and scheduling of processes are tasks carried out by an operating system. (a) Identify three process states. …

6. Question 6Artificial Intelligence (AI) · 6 marks

   (a) Describe the structure of a graph as used in an Artificial Intelligence (AI) system. (b) Explain how supervised learning and unsupervised learning differ from each other.

7. Question 7Hardware and Virtual Machines · 8 marks

   The diagram shows a logic circuit. …

8. Question 8System Software (A Level) · 4 marks

   Explain what is meant by lexical analysis during program compilation.

9. Question 9System Software (A Level) · 6 marks

   Several syntax diagrams are shown. letter …

10. Question 10Communication and internet technologies · 4 marks

    Identify the two main protocols that form Transport Layer Security (TLS) and state the purpose of each. Protocol 1 Purpose Protocol 2 Purpose

11. Question 11Data Types and Structures · 6 marks

    (a) A linked list of nodes is used to store an ordered list of strings. Each node consists of the data, a left pointer and a right pointer. Pp Left pointer Right pointer Data The linked list will be organised …

12. Question 12Further Programming · 8 marks

    (a) A medical clinic uses objects of the class Patient to assign a priority and a doctor to a patient. Some of the attributes required in the class are listed in the table. Attribute Data type Description PatientID STRING Unique …

13. Question 13Data Types and Structures · 5 marks

    The pseudocode algorithm below uses random file access to copy 50 records from a live file CurrentResults.dat to a stored file StoredResults.dat one record at a time. It uses the user-defined type StudentResult. TYPE StudentResult DECLARE LastName : STRING DECLARE …

Other Computer Science papers from May/June 2025

• 9618/11 Theory fundamentals
• 9618/12 Theory fundamentals
• 9618/13 Theory fundamentals
• 9618/21 Problem-solving & programming
• 9618/22 Problem-solving & programming
• 9618/23 Problem-solving & programming
• 9618/31 Advanced theory
• 9618/33 Advanced theory
• 9618/41 Practical programming
• 9618/42 Practical programming
• 9618/43 Practical programming