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| Subject | English | Tamil |
| comp., MS | COM add-in | COM துணை-நிரல் (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 | COM முணையம் (A serial communications port used to connect a device, such as a modem, printer, or mobile device, to a computer) |