| Abbreviation | Definition |
|---|---|
| CGMT | Coarse-Grained Multi-Threaded |
| CGPS | Communicative Global Positioning System |
| CGRAM | Character Generator Ram(Random Access Memory) |
| CGS | Color Graphics System |
| CGW | Cellular Gateway |
| CH | Common Hardware |
| CHC | California Hardware Company |
| CHD | Compressed Hard Disk |
| CHES | Cryptographic Hardware And Embedded Systems |
| CHIP | Coherent Holographic Integrating Processor |
| CHRP | Common Hardware Reference Platform |
| CHS | Computer Hardware Servicing |
| CHS | Cylinder, Head, and Sector |
| CHT | Cylinder Head Temperature |
| CHUD | Computer Hardware Understanding Developer |
| CHUD | Computer Hardware Understanding Development |
| CI | Configuration Interaction |
| CIA | CPU (Central Processing Unit) Intelligent Accelerator |
| CIAH | Certificate In Architectural Hardware |
| CICS | Caterpillar Information Control System |