Understanding the Difference Between Pixel and Photodiode: Expert Help

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A pixel, photodiode, and capacitor serve distinct functions in digital technology. A pixel is the smallest unit of a digital image, responsible for displaying color and brightness. A photodiode is a semiconductor device that converts light into an electrical current, often used in image sensors to detect light intensity. A capacitor, on the other hand, stores electrical energy temporarily and is used in various electronic circuits to manage voltage and power supply. Understanding these differences is crucial for grasping how digital imaging and electronic components work together.
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Pixel + Photodiode!help

Hi!
I don't know if this is the right place for this topic but I could not find "Digital Technology" elsewhere so here I go:

I'm having trouble figuring out the difference between a pixel and a photodiode as well as a capacitor- they all seem like the same property to me! :confused:

Can someone please help me?:confused:

Thanx
 
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