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Computer Science · OCR H446 · Algorithms and programming · November 2021

OCR A Level Computer Science Algorithms and programming November 2021 examiner report (H446/02)

2h 30m 140 marks

Examiner report

  1. Q1 - 33 marks - Algorithms for the main data structures, Computational methods, Dijkstra's and A* shortest path algorithms, Thinking abstractly, Thinking concurrently, Trees and binary search trees
  2. Q2 - 14 marks - Algorithm efficiency and Big O notation, Sequence, selection and iteration, Standard searching algorithms
  3. Q3 - 7 marks - Computational methods, Standard sorting algorithms
  4. Q4 - 9 marks - Integrated Development Environment (IDE)
  5. Q5 - 22 marks - Object-oriented programming
  6. Q6 - 6 marks - Computational methods
  7. Q7 - 9 marks - Algorithms for the main data structures, Stacks and queues
  8. Q8 - 40 marks - Computational methods, Designing, creating and refining algorithms, Inputs, processes and outputs of a problem, Sequence, selection and iteration, Sub programs: functions and procedures, Thinking procedurally, Variables, constants, inputs, outputs and assignment