Computer Science 9618/33 Oct/Nov 2023 past paper

Grade thresholds for 9618/33 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 9618/33 Oct/Nov 2023 tested, by marks. Each chapter links to every past-paper question on it.

Questions in 9618/33 Oct/Nov 2023

1. Question 1Data Representation · 5 marks

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

2. Question 2Communication and internet technologies · 6 marks

   (a) Draw one line to connect each protocol to its most appropriate use. Protocol Use HTTP to provide peer-to-peer file sharing when retrieving email messages from a mail server over a TCP/IP connection when transmitting hypertext documents to map MAC …

3. Question 3Data Types and Structures · 4 marks

   Describe what is meant by enumerated and pointer data types. Enumerated Pointer

4. Question 4Databases · 6 marks

   (a) Describe sequential and random methods of file organisation. Sequential file organisation Random file organisation (b) Outline the process of sequential access for serial and sequential files.

5. Question 5Hardware and Virtual Machines · 4 marks

   Describe the features of SISD and MIMD computer architectures. SISD MIMD

6. Question 6Hardware and Virtual Machines · 6 marks

   This diagram represents a logic circuit. …

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

   (a) A student buys a new computer. State one benefit to the student of a user interface and give an example. Benefit Example (b) Two of the process states are the running state and the ready state. Identify one other …

8. Question 8Data Types and Structures · 8 marks

   (a) A pseudocode algorithm finds a customer account record in a random file and outputs it. The records are stored using the user-defined data type TAccount. TYPE TAccount DECLARE AccountNumber : INTEGER DECLARE LastName : STRING DECLARE FirstName : STRING …

9. Question 9Data Types and Structures · 9 marks

   (a) (i) Write the infix expression for this Reverse Polish Notation (RPN) expression: …

10. Question 10Data Types and Structures · 10 marks

    A stack is to be set up using the information in the table. Identifier Data type Description BasePointer INTEGER points to the bottom of the stack TopPointer INTEGER points to the top of the stack Stack REAL 1D array to …

11. Question 11Further Programming · 8 marks

    A declarative programming language is used to represent subjects that students can choose to study. Students must choose two subjects. 01 subject(mathematics). 02 subject(physics). 03 subject(chemistry). 04 subject(computer_science). 05 subject(geography). 06 subject(history). 07 subject(english). 08 subject(biology). 09 student(tomaz). 10 student(josephine). …

12. Question 12Artificial Intelligence (AI) · 4 marks

    Artificial neural networks have played a significant role in the development of machine learning. Explain what is meant by the term artificial neural network.

Other Computer Science papers from Oct/Nov 2023

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