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Bitmap images: Edexcel GCSE Computer Science questions

Every Edexcel GCSE Computer Science exam question on 2.2.2 Bitmap images, 2022–2025, with its mark scheme and examiner’s report.

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210 questions

  1. Q1(c)(ii)

    June 2025 · Paper 1

    3 marks2.3.1 Units and file size calculations2.2.2 Bitmap images
    The whole paper ↗

  2. Q2(c)

    June 2024 · Paper 1

    2 marks2.2.2 Bitmap images
    The whole paper ↗

  3. Q5(b)

    June 2023 · Paper 1

    2 marks2.2.2 Bitmap images
    The whole paper ↗

  4. Q3(d)(i)

    June 2022 · Paper 1

    1 mark2.2.2 Bitmap images
    The whole paper ↗

  5. Q3(d)(ii)

    June 2022 · Paper 1

    4 marks2.3.1 Units and file size calculations2.2.2 Bitmap images
    The whole paper ↗

  6. Q1(h)

    Specimen · Paper 1

    4 marks2.3.1 Units and file size calculations2.2.2 Bitmap images
    The whole paper ↗
All 6 questions on Bitmap images, as a list
  1. June 2025, Paper 1, Q1(c)(ii) (3 marks): An image is 315 pixels wide, 923 pixels high and has a colour depth of 7 bits. Complete the expression to show the minimum file size in bytes. You do not have t
  2. June 2024, Paper 1, Q2(c) (2 marks): Give an expression to calculate the size of a bitmap image, not the size of the file that stores the image. (2)
  3. June 2023, Paper 1, Q5(b) (2 marks): Here is an original image. There is one bit available to represent each pixel. Explain one reason why the image cannot be accurately represented using one bit f
  4. June 2022, Paper 1, Q3(d)(i) (1 mark): Two images are displayed on the same screen. One image is 1280 × 720 pixels. The second image is 1920 × 1080 pixels. The second image has a higher resolution. S
  5. June 2022, Paper 1, Q3(d)(ii) (4 marks): A 10-colour bitmap image uses 15-bit colour depth. The image is 1028 pixels wide and 640 pixels high. Complete the expression to show the minimum file size for
  6. Specimen, Paper 1, Q1(h) (4 marks): An image uses a 12-bit colour depth. It is 64 pixels wide and 48 pixels high. Construct an expression to calculate the file size of the image in MiB. You do not

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