plumiCompression: OCR GCSE Computer Science questions
Every OCR GCSE Computer Science exam question on 1.2.5 Compression, 2022–2025, with its mark scheme and examiner’s report.
Paper
All papers
Exam
All years
Calculations
Q3(c)(i)
The whole paper ↗Q3(c)(ii)
The whole paper ↗Q6(d)(i)
The whole paper ↗Q6(d)(ii)
The whole paper ↗
All 4 questions on Compression, as a list
- June 2023, Paper 1, Q3(c)(i) (3 marks): Identify the most suitable type of compression for the text document. Justify your choice. Type of compression Justification [3]
- June 2023, Paper 1, Q3(c)(ii) (3 marks): Identify the most suitable type of compression for the image file. Justify your choice. Type of compression Justification [3]
- June 2022, Paper 1, Q6(d)(i) (2 marks): Give two benefits of compressing the data before it is emailed. 1 2 [2]
- June 2022, Paper 1, Q6(d)(ii) (2 marks): Explain why lossy compression may not be appropriate to compress all of the student’s files. [2]
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