OCR A Level Computer Science Algorithms and programming June 2023 mark scheme H446/02
Practise the past exam questions by topic
Algorithms for the main data structures22 Qs
Dijkstra's & A* shortest path algorithms7 Qs
Trees & binary search trees13 Qs
Computational methods23 Qs
Linked lists9 Qs
Sequence, selection & iteration15 Qs
Sub programs: functions & procedures16 Qs
Thinking ahead5 Qs
Recursion7 Qs
Designing, creating & refining algorithms15 Qs
Algorithm efficiency & Big O notation10 Qs
Integrated Development Environment (IDE)7 Qs
Standard sorting algorithms10 Qs
Thinking concurrently5 Qs
Inputs, processes & outputs of a problem5 Qs
Thinking procedurally8 Qs
Object-oriented programming15 Qs
Thinking abstractly8 Qs
Variables, constants, inputs, outputs & assignment5 Qs
+15 more
9 questions
- Q1 - 24 marks - Algorithms for the main data structures, Dijkstra's and A* shortest path algorithms, Trees and binary search trees
- Q2 - 9 marks - Computational methods
- Q3 - 14 marks - Algorithms for the main data structures, Linked lists
- Q4 - 8 marks - Sequence, selection and iteration, Sub programs: functions and procedures, Thinking ahead
- Q5 - 8 marks - Recursion
- Q6 - 6 marks - Designing, creating and refining algorithms, Sequence, selection and iteration
- Q7 - 26 marks - Algorithm efficiency and Big O notation, Integrated Development Environment (IDE), Standard sorting algorithms, Thinking concurrently
- Q8 - 5 marks - Inputs, processes and outputs of a problem, Thinking procedurally
- Q9 - 40 marks - Object-oriented programming, Sequence, selection and iteration, Sub programs: functions and procedures, Thinking abstractly, Variables, constants, inputs, outputs and assignment
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