AS & A Level Computer Science (9618) — May–June 2025, Paper 42
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 27 marks · Computational thinking and problem-solving / Programming (arrays, stacks)
A program reads data from a text file and stores it in a stack. The stack Stack is stored as a 1D array of up to 20 elements. The pointer TopOfStack stores the index of the last…
Answer this question and get it marked →Question 2 · 22 marks · Computational thinking and problem-solving / Data types and records
A program stores data in a 1D array of records, HashTable. The array has space for 200 records. Each data item is stored in a specific index of the array that is calculated using…
Answer this question and get it marked →Question 3 · 26 marks · Computational thinking and problem-solving / Object-oriented programming (classes, constructors)
A program stores data about animals using Object-Oriented Programming (OOP). The class Animal stores the data about animals: Animal --- --- Name : String stores the name of the…
Answer this question and get it marked →