Cambridge IGCSE · 0478 · Paper 2 · Algorithms, programming & logic
Computer Science 0478/22 Feb/March 2025 past paper
Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 2, Feb/March 2025: the question paper and its official mark scheme, 10 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 10
- Marks
- 75
- Grade A from
- 55
File names: 0478_m25_qp_22 · 0478_m25_ms_22
Grade thresholds for 0478/22 Feb/March 2025
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 | F | G |
|---|---|---|---|---|---|---|
| 55 | 45 | 36 | 30 | 24 | 19 | 14 |
Topics in this paper
Which syllabus chapters 0478/22 Feb/March 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Algorithm Design and Problem-Solving | 4 | 20 |
| Databases | 3 | 20 |
| Boolean Logic | 2 | 20 |
| Scenario Question | 1 | 15 |
Questions in 0478/22 Feb/March 2025
- Question 1
Tick (✓) one box to complete this sentence. A standard method of solution used to find a piece of data in an array is a A bubble sort. B counting routine. C linear search. D selection search.
- Question 2
Tick (✓) one box to complete this sentence. The pseudocode to store a hotel name held in the variable Name to a text file is A READFILE Hotels.txt, Name B WRITEFILE Hotels.txt, Name C WRITEFILE Name, Hotels.txt D STOREFILE Hotels.txt, …
- Question 3
Four development life cycle stages and five descriptions are shown. Draw one line from each stage to the most appropriate description. Not all descriptions will be used. Description identifying the problem and requirements reviewing the final solution to suggest further …
- Question 4
(a) A presence check is a type of validation check. State the purpose of a presence check. (b) A value input into a computer system must be an integer. (i) Identify the validation check used to test whether the value …
- Question 5
A program is written to only accept data that contains more than 9 characters. The program needs to be tested. The table, when completed, shows appropriate test data that matches the type of test data and the purpose of the …
- Question 6
This pseudocode algorithm is intended to allow 1000 positive integers to be input and stored in a one-dimensional (1D) array. The integers are added together as they are input and the highest value is identified. At the end of the …
- Question 7
This flowchart represents an algorithm. START OUTPUT "Continue?" STOP INPUT Answer INPUT Value1 IS Answer …
- Question 8
A database table, MajorCity, stores some details about a number of cities from around the world. Code City Capital Country Continent Population ASY6 Abu Dhabi TRUE United Arab Emirates Asia 1,566,999 EUY3 Amsterdam TRUE Netherlands Europe 1,174,025 ASY1 Beijing TRUE …
- Question 9
Consider this logic expression: …
- Question 10
A sports club uses a six-character alphanumeric membership code to identify each member of the club. The one-dimensional (1D) array MemberID[] is used to store the unique membership codes for club members. The two-dimensional (2D) array Name[] is used to …