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Data storage

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Question 25

A digital image is stored in a file.

The table below shows the colours used in the image and their corresponding binary representations:

ColourBinary value
Yellow0001
Cyan0100
Magenta1010
Orange0011

The metadata file states that the image has a width of 4 pixels and a height of 3 pixels.

The binary data stored for the pixel grid of the image is:

000100010100001110100011000101000100101010100011

The image data starts at the top-left of the image and is processed left-to-right, row-by-row.

Complete the table below by writing the name of the colour that each pixel will display.

[2]
Markscheme

Data storage Questions

  1. GCSE
  2. /Computer Science
  3. /Data storage

41 exam-style questions on OCR GCSE Computer Science Data storage. Each one has a worked solution and a mark scheme showing where the marks go.

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