| Subject | English | Icelandic |
| comp., MS | COM add-in | COM-innbót (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 class | COM-klasi (A concrete implementation of one or more COM interfaces. COM objects are instances of COM classes) |
| comp., MS | COM object | COM-hlutur (An instance of a COM class) |
| comp., MS | COM port | samskiptatengi (A serial communications port used to connect a device, such as a modem, printer, or mobile device, to a computer) |