| Subject | English | Welsh |
| comp., MS | high-definition multimedia interface | rhyngwyneb amlgyfrwng diffiniad uchel (A digital interface specification for delivering digital content and connecting consumer electronic devices) |
| comp., MS | Multimedia Content Description Interface | Rhyngwyneb Disgrifiad Cynnwys Amlgyfrwng (A standard of video compression and file format developed by the Moving Pictures Experts Group for description and search of multimedia content data) |