| ADT | Abstract Data Type |
|---|---|
| JAT | Just Animal Type (skr.) |
| OT | open Type (skr.) |
| RTT | radioteletype, ďalekopis (angl. skr.) |
| RTT | Ramified Theory of Types |
| SNVT | Standard Network Variable Type (skr.) |
| TT | TrueType, typ písma |
| TTS | teletype setter |
| TTY | ďalekopis, teletypewriter (skr.) |