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A digital dashboard shows status using green and red colours but provides no text labels or symbols. What is its main accessibility problem?

Answer and explanation

Correct answer: Users with colour-vision difficulty may not understand the meaning

The governing accessibility principle is to avoid using colour as the only carrier of meaning. Some users cannot distinguish particular colour combinations, and screens or lighting can also reduce colour clarity. Option D is correct because adding labels, patterns, icons, or text would provide another cue. Accuracy, screen size, and visual attractiveness do not solve the communication barrier described here.

Related tags

Dashboard AccessibilityColour CodingInclusive DesignVisual CommunicationCommunication Skills IArtificial IntelligenceClass 9 Mcq

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