Library computer
A library computer, occasionally referred to as ship's library or computer library (of records), was a component in Starfleet ships, that could be crosschecked for information on a variety of topics, including planetary systems, medical information, ship manifests, historical events, and cultural customs. (; ) Even obscure writings might be found in the library computer. () 

Additionally, the library computer might be used to confirm identity. (; )

 had multiple library computers. After a  transmitted its knowledge to the ship, all library computers were processing at 20% above maximum. ()

On  ships, there was a library-computer station on the bridge. () Sensor readings could be diverted to the ship's library computer for analysis. ()

On  ships, Library computer access was controlled by Subroutine C-47 of the computer core. () Its library systems could be allocated to Stellar Cartography, which would temporarily bring the library computer offline. ()  Research logs could be integrated with the library computer. ()

See also
 Library Computer Access and Retrieval System
 USS Defiant (NCC-1764) library computer
 USS Defiant (NX-74205) library computer
 USS Enterprise library computer
 USS Enterprise-D library computer
 USS Voyager library computer
Computer technology