Anything you stockpile will break down after a while. So you need to stockpile some electronics repair/manufacturing capability. Its an interesting theoretical

Anything you stockpile will break down after a while. So you need to stockpile some electronics repair/manufacturing capability. Its an interesting theoretical question what is the absolutely lowest digital tech level required for one to preserve functional access to e.g. text-only wikipedia and what kind of resources are required to maintain that level indefinetely.