| Abbreviation | Definition |
|---|---|
| CID | Common Intelligent Display |
| CID | Computer Integrated Design |
| CID | Customer Induced Damage |
| CIF | Component Interface Framework |
| CIM | Central Integration Machine |
| CIR | Current Instruction Register |
| CIRA | Computer Integrated Robotics Assembly |
| CISC | Complex Instruction Set Computer |
| CISP | Cellular Image Sensor Processor |
| CISS | Continuous Ink Supply System |
| CL | CAS (Column Address Strobe) Latency |
| CL | Classical Logic |
| CL | Clock Latency |
| CL | Closed Loop |
| CL | Controlled Load |
| CLA | Carry Lookahead Adder |
| CLASP | Closed Loop Analog Signal Processor |
| CLAU | Carry Look Ahead Unit |
| CLC | Central Logic Controller |
| CLC | Closed Loop Color |