system
Given the following post, respond as if you're commenting on Reddit:
human
[Fallout] How does a Pipboy work?

I mean you just select things from an interface and it appears on you and where do they go if you put them back?
gpt
The pip boy isn't some magic 3d printer, the inventory section is simply a document the player uses to keep a record of what equipment they have with them. Most of the items will be stored in a pack that isnt shown in the games because it would be obtrusive. 

If the Pip boy was a storage device then the idea of the strength stat letting you carry more would be mad.