Cambridge IGCSE · 0478 · Paper 2 · Algorithms, programming & logic
Computer Science 0478/23 Oct/Nov 2022 past paper
Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 3, Oct/Nov 2022: the question paper and its official mark scheme, 5 questions worth 50 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 5
- Marks
- 50
- Grade A from
- 29
File names: 0478_w22_qp_23 · 0478_w22_ms_23
Grade thresholds for 0478/23 Oct/Nov 2022
The minimum raw marks Cambridge set for each grade on this component (out of 50). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E | F | G |
|---|---|---|---|---|---|---|
| 29 | 23 | 17 | 14 | 11 | 8 | 5 |
Topics in this paper
Which syllabus chapters 0478/23 Oct/Nov 2022 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Databases | 3 | 21 |
| Scenario Question | 1 | 20 |
| Algorithm Design and Problem-Solving | 1 | 9 |
Questions in 0478/23 Oct/Nov 2022
- Question 1
All variables, constants and other identifiers must have meaningful names. (a) (i) Identify one constant that you could have used for Task 1. State the value that would be assigned to the constant. Give a reason why a constant was …
- Question 2
An algorithm has been written to: • set all 50 elements of the array Reading[1:50] to zero • input values between 35 and 50 inclusive • end the process when an input of –1 is made or 50 valid numbers …
- Question 3
A check digit is to be used to validate an identification number on input. The identification number contains five digits and the check digit. The check digit is calculated by adding up the first five digits, dividing by 10 and …
- Question 4
This algorithm makes sure that there are enough wheelbarrows in stock. START INPUT Sale Is Sale = "N"? Stock 10 Total 0 STOP Yes No OUTPUT Total OUTPUT "Add new stock" Is Stock < 5? Yes No Stock Stock – …
- Question 5
A database table, MUSEUM, is used to keep a record of items in the museum. The table has these fields: • ItemCode – code for each type of item, for example ART0005 • Description – brief description of each item, …
Other Computer Science papers from Oct/Nov 2022
- 0478/11 Computer systems
- 0478/12 Computer systems
- 0478/13 Computer systems
- 0478/21 Algorithms, programming & logic
- 0478/22 Algorithms, programming & logic