| Abbreviation | Definition |
|---|---|
| CCL | Code Conversion Language |
| CCMA | Center for Chemo Mechanical Assembly |
| CCR | Compound Condition Routine |
| CCR | Condition Code Register |
| CCS | Common Comand Set |
| CD | Cursor Down |
| CDQ | Convert Double to Quad |
| CDR | Contents of Data Register |
| CDR | Contents of Decrement Register |
| CDR | Contents of Destination Register |
| CDRA | Carbon Dioxide Removal Assembly |
| CDT | Conceptual Data Type |
| CEC | Clear Enter Clear |
| CEF | Common Executable Format |
| CEMA | Center for Electronics Manufacturing and Assembly |
| CEP | Count Enable Parallel |
| CES | Character Encoding Scheme |
| CF | Carry Flag |
| CF | Carry Forward |
| CF | Computation Flag |