OCR A Level Computer Science Computer systems November 2021 examiner report (H446/01)
Examiner report
- Q1 - 33 marks - Pipelining, Relational databases and keys, SQL
- Q2 - 14 marks - Converting between binary and hexadecimal, Floating point numbers in binary, Representing numbers: binary, denary, hexadecimal
- Q3 - 23 marks - HTML, CSS and JavaScript
- Q4 - 9 marks - Legislation relevant to Computer Science
- Q5 - 13 marks - Combining Boolean operators, Logic diagrams
- Q6 - 24 marks - Algorithms in pseudocode, flowcharts and reference language, Assembly language programming (Little Man Computer), Designing, creating and refining algorithms
- Q7 - 24 marks - Data structures, Linked lists, Object-oriented programming, Stacks and queues, Trees and binary search trees
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