Cambridge A Level ยท 9618 ยท Paper 3 ยท Advanced theory
Computer Science 9618/32 Oct/Nov 2022 past paper
Cambridge A Level Computer Science (9618) Paper 3 (Advanced theory), variant 2, Oct/Nov 2022: 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
- 47
File names: 9618_w22_qp_32 ยท 9618_w22_ms_32
Grade thresholds for 9618/32 Oct/Nov 2022
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 |
|---|---|---|---|---|
| 47 | 38 | 32 | 26 | 20 |
Topics in this paper
Which syllabus chapters 9618/32 Oct/Nov 2022 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 9618/32 Oct/Nov 2022
- Question 1
Normalised floating-point numbers are stored in a computer system using twoโs complement for both the mantissa and the exponent with: โข 11 bits for the mantissa โข 5 bits for the exponent. (a) Write the largest positive twoโs complement binary โฆ
- Question 2
Lexical analysis and syntax analysis are stages in the compilation of a program. (a) Identify two other stages that take place during the compilation of a program. โฆ
- Question 3
(a) Explain why a protocol is used in communication between computers. (b) The TCP/IP protocol implementation can be viewed as a stack. Complete the diagram for the TCP/IP protocol stack. Transport Link (c) Describe the purpose of the IMAP protocol.
- Question 4
A program to manage regular flight details at an airport requires some user-defined data types. (a) Write pseudocode statements to declare the enumerated data type Aircraft to hold data about the types of aircraft used for a flight. These types โฆ
- Question 5
Describe what is meant by a virtual machine. Include in your answer two benefits and two drawbacks of using a virtual machine. Description Benefit 1 Benefit 2 Drawback 1 Drawback 2
- Question 6
(a) State two differences between symmetric and asymmetric encryption. (b) Explain the process by which an organisation may acquire its digital certificate.
- Question 7
Supervised and unsupervised learning are two categories of machine learning. Describe supervised learning and unsupervised learning. Supervised learning Unsupervised learning
- Question 8
(a) Draw a logic circuit for an SR flip-flop and label the inputs. โฆ
- Question 9
(a) Explain the need for scheduling in process management. (b) Describe these scheduling routines and identify a benefit for each one. Shortest job first Round robin First come first served
- Question 10
(a) Define these Object-Oriented Programming (OOP) terms: Encapsulation Getter Setter (b) A school has a program written using OOP to maintain its staff and student records. The object SubstituteTeacher allows the details of the schoolโs substitute teachers to be stored. โฆ
- Question 11
A simplified linked list is used to store the names of flowers in alphabetical order. It is implemented using two 1D arrays: โข Flower stores the names of the flowers. โข NextPointer stores the pointer to the next flower name โฆ
Other Computer Science papers from Oct/Nov 2022
- 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