Question

How do tiny spheres on digital paper work to create black or white pixels?

a.

They rotate to make the surface black or white

b.

They emit light to create black or white pixels

c.

They change color when an electronic signal is applied

d.

They reflect light to create black or white pixels

Posted under Human Computer Interaction

Answer: (a).They rotate to make the surface black or white Explanation:In this technique, tiny spheres on digital paper can be rotated electronically to make the surface appear black or white. The spheres stay in their last orientation even after the electronic signal is removed.

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Q. How do tiny spheres on digital paper work to create black or white pixels?

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