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Data representation

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Question 6

Digital devices represent images as a grid of pixels using binary.

Compare the use of a 2-bit colour depth and an 8-bit colour depth to represent an image.

[3]
Markscheme

Data representation Questions

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

40 exam-style questions on Edexcel GCSE Computer Science Data representation, covering Encoding characters with 7-bit ASCII, Representing bitmap images in binary, Representing analogue sound in binary, and Limitations of binary representation. Each one has a worked solution and a mark scheme showing where the marks go.

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