| Subject | English | Khmer |
| comp., MS | COM add-in | COM បញ្ជូលបន្ថែម (A supplemental program with the filename extension .dll or .exe that extends the capabilities of a program by adding custom commands and specialized features) |
| comp., MS | COM port | រន្ធ COM (A serial communications port used to connect a device, such as a modem, printer, or mobile device, to a computer) |