OCR A Level Computer Science Computer systems November 2020 mark scheme H446/01
Practise the past exam questions by topic
Relational databases & keys7 Qs
Object-oriented programming15 Qs
Converting between binary & hexadecimal6 Qs
Converting between denary & hexadecimal6 Qs
Floating point numbers in binary7 Qs
Negative numbers in binary6 Qs
Representing numbers: binary, denary, hexadecimal9 Qs
Combining Boolean operators6 Qs
Karnaugh maps5 Qs
Legislation relevant to Computer Science8 Qs
Algorithms in pseudocode, flowcharts & reference language10 Qs
Designing, creating & refining algorithms15 Qs
Assembly language programming (Little Man Computer)8 Qs
Operating systems5 Qs
+10 more
9 questions
- Q1 - 30 marks - Relational databases and keys
- Q2 - 17 marks - Object-oriented programming
- Q3 - 14 marks - Converting between binary and hexadecimal, Converting between denary and hexadecimal, Floating point numbers in binary, Negative numbers in binary, Representing numbers: binary, denary, hexadecimal
- Q4 - 11 marks - Combining Boolean operators, Karnaugh maps
- Q5 - 9 marks - Legislation relevant to Computer Science
- Q6 - 8 marks - Algorithms in pseudocode, flowcharts and reference language, Designing, creating and refining algorithms
- Q7 - 11 marks - Assembly language programming (Little Man Computer)
- Q8 - 12 marks - Object-oriented programming
- Q9 - 28 marks - Operating systems
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