Computer Science 9618/31 May/June 2024 past paper

Grade thresholds for 9618/31 May/June 2024

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 9618/31 May/June 2024 tested, by marks. Each chapter links to every past-paper question on it.

Questions in 9618/31 May/June 2024

1. Question 1Data Representation · 6 marks

   Real numbers are stored in a computer system using floating-point representation with: • 10 bits for the mantissa • 6 bits for the exponent • two’s complement form for both the mantissa and the exponent. (a) Calculate the denary value …

2. Question 2Communication and internet technologies · 6 marks

   The TCP / IP protocol suite has four layers: Transport, Application, Link, Internet (a) Complete the diagram to show the correct order for these layers. (b) Describe the function of the Transport layer. (c) Outline one protocol that is associated …

3. Question 3Data Types and Structures · 7 marks

   (a) Explain what is meant by non-composite and composite data types. (b) Write pseudocode statements to declare the record data type FootballClub to hold data about football clubs in a league, to include: • name of team • date team …

4. Question 4Further Programming · 5 marks

   (a) Describe the sequential method of file access. (b) Explain how the sequential method of file access is applied to files with serial organisation and to files with sequential organisation.

5. Question 5Data Types and Structures · 9 marks

   (a) Write this Reverse Polish Notation (RPN) in infix form: …

6. Question 6Hardware and Virtual Machines · 10 marks

   The diagram shows a logic circuit. …

7. Question 7Security (A Level) · 5 marks

   (a) Describe what is meant by a digital certificate. (b) Explain the role of a digital certificate in creating a digital signature.

8. Question 8Further Programming · 8 marks

   A declarative programming language is used to represent the features that are available and the features that are unavailable on different body styles of a car. 01 feature(sunroof). 02 feature(automatic_tailgate). 03 feature(heated_seats). 04 feature(extra_seats). 05 feature(reversing_camera). 06 feature(dashboard_camera). 07 feature(air_conditioning). …

9. Question 9Artificial Intelligence (AI) · 3 marks

   Explain what is meant by Deep Learning in relation to Artificial Intelligence (AI).

10. Question 10Data Types and Structures · 8 marks

    (a) State a condition that must be true for an array to be searchable for a binary search. (b) Complete the given pseudocode to find an item in a 1D array Names of type STRING using a binary search. DECLARE …

11. Question 11Hardware and Virtual Machines · 8 marks

    Reduced Instruction Set Computers (RISC) and Complex Instruction Set Computers (CISC) are two types of processor. (a) State two features of RISC processors. (b) Outline the process of interrupt handling as it could be applied to RISC or CISC processors. …

Other Computer Science papers from May/June 2024

• 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
• 9618/32 Advanced theory
• 9618/33 Advanced theory
• 9618/41 Practical programming
• 9618/42 Practical programming
• 9618/43 Practical programming