Questions: OCR GCSE Computer Science (J277) mock exam
Pick a question type. Each time you get new numbers. Free ones are marked free.
About this mock
- Reading a structure diagramState, 2 marks, Plus
- Binary search: the items comparedWrite down, 2 marks, Plus
- Insertion sort: after some passesWrite down, 2 marks, Plus
- Merge sort: merging back upWrite down, 3 marks, Plus
- Bubble sort: a later passWrite down, 2 marks, Plus
- Trace a linear searchComplete, 4 marks, Plus
- Strings, numbers and castingState, 1 mark, Plus
- Trace table: a while loopComplete, 4 marks, Plus
- Two-dimensional arraysState, 2 marks, Plus
- SubstringsState, 1 mark, Plus
- Functions: what is output?State, 2 marks, Plus
- Local and global variablesIdentify, 3 marks, Plus
- Complete a test planComplete, 2 marks, Plus
- FilesIdentify, 1 mark, Plus
- SQL: what does this return?Write down, 2 marks, Plus
- LIKE and wildcards: how many?State, 1 mark, Plus
- Picking records from a CSV fileWrite down, 2 marks, Plus
- Find a record in a 2D arrayState, 1 mark, Plus
- Binary to hexadecimalConvert, 1 mark, Plus
- Binary additionCalculate, 2 marks, Plus
- Binary addition with overflowCalculate, 2 marks, Plus
- Binary shiftsCalculate, 2 marks, Plus
- Character codes in binaryConvert, 2 marks, Plus
- Image file sizeCalculate, 2 marks, Plus
- Sound file sizeCalculate, 2 marks, Plus
- Compression: factsIdentify, 1 mark, Plus
- Units of dataCalculate, 1 mark, Plus
- Fetch-execute: MAR and MDR during executeState, 2 marks, Plus
- Sharing work between coresCalculate, 3 marks, Plus
- Embedded systemsIdentify, 1 mark, Plus
- Virtual memoryIdentify, 1 mark, Plus
- Magnetic, optical or solid state?Identify, 1 mark, Plus
- Utility softwareIdentify, 1 mark, Plus
- Which job of the operating system?Identify, 1 mark, Plus
- Star and mesh topologiesIdentify, 1 mark, Plus
- Which protocol?Identify, 1 mark, Plus
- Transfer timeCalculate, 2 marks, Plus
- Explain how a URL becomes a pageExplain, 4 marks, Plus
- Which attack is this?Identify, 1 mark, Plus
- SQL injectionWrite down, 2 marks, Plus
- Protecting a systemIdentify, 1 mark, Plus
- Truth table for an expression, 3 inputsComplete, 3 marks, Plus
- Write an expression for a real systemWrite, 3 marks, Plus
- Compiler or interpreter?Identify, 1 mark, Plus
- IDE featuresIdentify, 1 mark, Plus
- Which law is broken?Identify, 1 mark, Plus
- Open source or proprietary?Compare, 4 marks, Plus
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