Skip to content

Course home

Data compression

Data compression

EasyMedium
123456789101112131415161718192021222324
Question 15

A digital scanner reads a sequence of pixel values from a multi-colored calibration strip:

C M Y K C M Y K C M Y K

(Where C = Cyan, M = Magenta, Y = Yellow, K = Black)

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

[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.

Question bank