Question

What is the benefit of using a screen flash as a silent bell in interface design?

a.

It guarantees that users will notice all on-screen content

b.

It works effectively only when users are looking at the keyboard

c.

It can cause an event even if users are looking away from the screen

d.

It eliminates the need for audible notifications

Posted under Human Computer Interaction

Answer: (c).It can cause an event even if users are looking away from the screen Explanation:A screen flash as a silent bell can cause an event even if users are looking away from the screen due to peripheral vision's ability to detect movement.

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Q. What is the benefit of using a screen flash as a silent bell in interface design?

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