| 35020 | Information technology (IT) in general |
| 35040 | Character sets and information coding |
| 35060 | Languages used in information technology |
| 35080 | Software |
| 35100 | Open systems interconnection (OSI) |
| 35110 | Networking |
| 35140 | Computer graphics |
| 35160 | Microprocessor systems |
| 35180 | IT terminal and other peripheral equipment |
| 35200 | Interface and interconnection equipment |
| 35220 | Data storage devices |
| 35240 | Applications of information technology |
| 35260 | Office machines |
