What is the purpose of using the auto-brightness feature on a mobile device with an LCD screen?

What is the purpose of using the auto-brightness feature on a mobile device with an LCD screen?

to conserve battery power
to reduce the interference from sunlight
to prevent the burn-in effect on the screen
to display text messages with better contrast

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Explanation:

The LCD screen for most mobile devices uses the most battery power. Lowering the brightness or using the auto-brightness feature helps conserve battery power.

Tags: Introduction to Computer Studies

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