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Representing images

Representing images

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Question 4

An artist is designing two digital icons, Icon A and Icon B, each represented as an uncompressed bitmap of 8×8 8 \times 8\,8×8 pixels.

  • Icon A currently contains exactly 2 unique colours.
  • Icon B currently contains exactly 3 unique colours.

The artist decides to add exactly one new colour to each icon, so that:

  • Icon A now contains 3 unique colours.
  • Icon B now contains 4 unique colours.

State the impact of this change on the minimum file size of both Icon A and Icon B.

[2]
Markscheme

Representing images Questions

  1. GCSE
  2. /Computer Science
  3. /Representing images

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

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