Never forget Voyager, where Torres could invent a brand new method of transporter lock and implement it on-the-fly all through a console on the bridge, but even the bio-neural gel packs weren’t smart enough to get a power requisition down to the bottom decks without someone putting it into a padd and physically walking it down there.
Engineering - Apple iPad
Security - GNU/Hurd Mobile Flatscreen
Medical - MS Surface TNG
10 Front - Samsung FuchsiaPad
And none of them are interoperable. Did you really think they would solve that in the future?
Like all predictions about future technology, Star Trek was both right and way off.
Padds are almost used like portable storage devices. Want to give someone a book? Load it onto a padd for them.