Question

How is texture used in keyboards and calculators?

a.

It enhances the visual appeal of the devices

b.

It provides tactile feedback to the user

c.

It prevents slipping while operating the devices

d.

It disambiguates key functions and operations

Posted under Human Computer Interaction

Answer: (c).It prevents slipping while operating the devices Explanation:Texture is used in keyboards and calculators to prevent slipping while operating the devices. For example, keyboards may have a small raised dot on the "home" keys for touch typists, and calculators or phones may have a raised dot on the "5" key. This texture helps users locate the keys without needing to rely on visual cues.

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