sequential (29) network provider vs power supplier

https://wodewangzhishime.blogspot.com/2022/04/httpswodewangzhishime_23.html

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Ref: https://wodewangzhishime.blogspot.com/2023/02/translate-selected-text.html

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Me: Chip A , B and C are within a device. .

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John :Only Chip A need to make a choice between the network provider and the power supplier.  .  .Of course, the choice is made by a pairs of public capacitors. . 

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Me: Chip B and Chip C have no choice. . That mean, the direct current of Chip B and Chip C must be from the power supplier.