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Data compression

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Question 10

Figure 2 shows a sequence of pixel values representing a single row of a black-and-white grid image:

B W B W B W B W

(Where B = Black, W = White)

Explain why Run-Length Encoding (RLE) is not a suitable method for compressing this image row.

[2]
Markscheme

Data compression Questions

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

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

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