| Abbreviation | Definition |
|---|---|
| COLLOQ | IEEE Colloquium on South America |
| COM-M | IEEE Communications Magazine |
| COMMAD | Conference on Optoelectronics and Microelectronic Materials and Devices |
| COMPCONS | IEEE Computer Society International Conference |
| COMPUS | IEEE Symposium on Foundations of Computer Science |
| COMSIG | South African Symposium on COMSIG- Communications and Signal Processing |
| COMWOR | International Conference on Computer Workstations |
| COOPIS | IFCIS International Conference on Cooperative Information Systems |
| CORNEL | IEEE/Cornell Conference on High-Speed Semiconductor Devices and Circuits |
| COSL | Complementary Output Switching Logic |
| COSM | Conference on Software Maintenance |
| COWT | COmplex Wavelet Transform |
| CPEM | Biennial Conference on Precision Electromagnetic Measurements |
| CPIR | Conference Publications Information Repository |
| CPS | Cable Protection System |
| CPSA | IEEE Charles Proteus Steinmetz Award |
| CR | Compliance and Reporting |
| CRAD | International Conference on the Use of Computers in Radiation Therapy |
| CS | IEEE Computer Society |
| CSAC | Annual Computer Security Applications Conference |