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AQA · GCSE · Computer Science · Higher

Pixel count from bitmap grid

Q05.1 1 mark

Figure 2 shows four bitmap images.

Figure 2
Figure 2

Figure 2

Enlarged question image

Figure 2

State the number of pixels in Image A in Figure 2.

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Marking points

  1. 1 States 40 pixels.

Full-mark answer

40 pixels

Why this answer loses marks

I counted the cells in one row only.

The requested pixel count covers the whole bitmap grid, so both grid dimensions must be used.

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