| Abbreviation | Definition |
|---|---|
| sc | solar cell |
| SCA | Sensor Controller Actuator |
| SCA | Single Connector Assembly |
| SCADA | Supervisory Control And Data Acquisition |
| SCAM | Sharp Color Active Matrix |
| SCAMA | Station Conferencing And Monitoring Assembly |
| SCART | Syndicat des Constructeurs d'Appareils Radiorécepteurs et Téléviseurs |
| SCF | Switched Capacitor Filter |
| SCGA | Single Cable Grip Attachment |
| SCHELL | Software Culture Hardware Environment Liveware Liveware |
| SCI | Scalable Coherent Interface |
| SCI | Serial Communications Interface |
| SCI | System Control Interrupt |
| SCL | Serial CLock |
| SCPH | Sony Computer Playstation Hardware |
| SCR | StripChart Recorder |
| SCR | System Clock Reference |
| SCRK | SeCurity RacK |
| SCSI-2 | Fast Small Computer System Interface |
| SCSI-3 | Ultra Small Computer System Interface |