Cambridge A Level ยท 9608 ยท Paper 4 ยท Further problem-solving & programming
Computer Science 9608/43 May/June 2021 past paper
Cambridge A Level Computer Science (9608) (previous syllabus, now 9618) Paper 4 (Further problem-solving & programming), variant 3, May/June 2021: the question paper and its official mark scheme, 6 questions worth 63 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 6
- Marks
- 75
- Grade A from
- 50
File names: 9608_s21_qp_43 ยท 9608_s21_ms_43
Grade thresholds for 9608/43 May/June 2021
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 |
|---|---|---|---|---|
| 50 | 39 | 32 | 24 | 16 |
Topics in this paper
Which syllabus chapters 9608/43 May/June 2021 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Computational thinking and Problem-solving | 3 | 29 |
| Further Programming | 2 | 28 |
| Processor Fundamentals | 1 | 6 |
Questions in 9608/43 May/June 2021
- Question 1
A vending machine allows users to insert coins to purchase an item. The user then enters the code for the item they would like the machine to dispense (give out). The user must re-enter the code until it is valid. โฆ
- Question 2
Peter uses a record structure, customer, to store data about customers. The data includes: โข a unique customer ID between 10 000 and โฆ
- Question 4
Chon creates a binary tree structure to store options that the user can select from a menu (M) in his program. โฆ
- Question 5
A binary search algorithm searches for data in a sorted array. (a) The pseudocode function binarySearch()performs a binary search to find a given value in the global array, dataArray. If the value is found, the function returns its index. If โฆ
- Question 6
The table shows assembly language instructions for a processor that has one general purpose register, the Accumulator (ACC), and an Index Register (IX). Instruction Explanation Label Op code Operand LDM #n Immediate addressing. Load the number n to ACC LDD โฆ
- Question 7
Giles is writing a program that uses a stack. The stack stores up to 1000 integers in the 1D array, stackArray. (a) The procedure setUpStack()takes two parameters: โข the array, stackArray โข a pointer to the last element pushed onto โฆ
Other Computer Science papers from May/June 2021
- 9618/11 Theory fundamentals
- 9618/12 Theory fundamentals
- 9618/13 Theory fundamentals
- 9608/11 Theory fundamentals
- 9608/12 Theory fundamentals
- 9608/13 Theory fundamentals
- 9618/21 Problem-solving & programming
- 9618/22 Problem-solving & programming
- 9618/23 Problem-solving & programming
- 9608/21 Fundamental problem-solving & programming
- 9608/22 Fundamental problem-solving & programming
- 9608/23 Fundamental problem-solving & programming
- 9618/31 Advanced theory
- 9618/32 Advanced theory
- 9618/33 Advanced theory
- 9608/31 Advanced theory
- 9608/32 Advanced theory
- 9608/33 Advanced theory
- 9618/41 Practical programming
- 9618/42 Practical programming
- 9618/43 Practical programming
- 9608/41 Further problem-solving & programming
- 9608/42 Further problem-solving & programming