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Computer Science · OCR H446 · Algorithms and programming · June 2023

OCR A Level Computer Science Algorithms and programming June 2023 examiner report (H446/02)

2h 30m 140 marks

Examiner report

  1. Q1 - 24 marks - Algorithms for the main data structures, Dijkstra's and A* shortest path algorithms, Trees and binary search trees
  2. Q2 - 9 marks - Computational methods
  3. Q3 - 14 marks - Algorithms for the main data structures, Linked lists
  4. Q4 - 8 marks - Sequence, selection and iteration, Sub programs: functions and procedures, Thinking ahead
  5. Q5 - 8 marks - Recursion
  6. Q6 - 6 marks - Designing, creating and refining algorithms, Sequence, selection and iteration
  7. Q7 - 26 marks - Algorithm efficiency and Big O notation, Integrated Development Environment (IDE), Standard sorting algorithms, Thinking concurrently
  8. Q8 - 5 marks - Inputs, processes and outputs of a problem, Thinking procedurally
  9. Q9 - 40 marks - Object-oriented programming, Sequence, selection and iteration, Sub programs: functions and procedures, Thinking abstractly, Variables, constants, inputs, outputs and assignment