Answer; Electric Paper Display
Explanation:
<em>"PDs are extremely thin and only require power when a new image is requested. Instead of a traditional display that uses backlighting to illuminate pixels, an EPD is based on the scientific phenomena known as "electrophoresis," the movement of electrically charged molecules in an electric field."</em>
Above is the definition, as you can see it resembles your question greatly so this is most likely the answer you're looking for.
Good luck :D
Explanation:
Analog computer:
It works with naturaland physical values
It works upon continuous data.
Its accuracy is low.
Digital computer:
It works with digits.
It works upon discrete data.
Its accuracy is high
Blank 1 is email, and blank 2 is contacts list
