plumiStoring images: OCR GCSE Computer Science questions
Every OCR GCSE Computer Science exam question on 1.2.4c Storing images, 2022–2025, with its mark scheme and examiner’s report.
Paper
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Exam
All years
Calculations
Q1(b)(i)
The whole paper ↗Q1(b)(iii)
The whole paper ↗Q3(b)(i)
The whole paper ↗Q3(b)(ii)
The whole paper ↗Q3(b)(iii)
The whole paper ↗Q3(b)(iv)
The whole paper ↗Q6(c)
The whole paper ↗
All 7 questions on Storing images, as a list
- June 2025, Paper 1, Q1(b)(i) (1 mark): Define the term pixel. [1]
- June 2025, Paper 1, Q1(b)(iii) (1 mark): State the minimum number of bits that will be needed to represent 240 different colours. [1]
- June 2023, Paper 1, Q3(b)(i) (1 mark): State what is meant by metadata in an image file. [1]
- June 2023, Paper 1, Q3(b)(ii) (2 marks): The binary data stored for the image is given: 000000000110100000101000011001100110000000101000 A grid is given for the image. Each square is one pixel. Write t
- June 2023, Paper 1, Q3(b)(iii) (1 mark): A colour depth of 4 is used. This means 4 bits are used to store the colour for each pixel. State the maximum number of different colours that can be represente
- June 2023, Paper 1, Q3(b)(iv) (2 marks): The colour depth is increased to 2 bytes. State two effects that this change can have on the image. 1 2 [2]
- June 2022, Paper 1, Q6(c) (3 marks): The student takes a photograph of their science experiment. The image file includes metadata. Identify three pieces of metadata that is often stored with an ima
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