| Subject | English | Welsh |
| comp., MS | Hardware and Devices troubleshooter | Datryswr problemau caledwedd a dyfeisiau (A troubleshooter that helps find and fix problems about hardware and devices) |
| comp., MS | hardware failure | caledwedd yn methu (A malfunction of a physical component such as a disk head failure or memory error) |
| comp., MS | hardware interface | rhyngwyneb caledwedd (A card, plug, or other device that connects pieces of hardware with the computer so that information can be moved from place to place. For example, standardized interfaces such as RS-232-C standard and SCSI enable communications between computers and printers or disks) |
| comp., MS | Windows Hardware Certification Kit | Cyfarpar Ardystio Caledwedd Windows (The test automation framework used to certify devices or systems for Windows) |
| comp., MS | Windows 7 hardware logo | logo caledwedd Windows 7 (Logo assigned to the hardware products that have passed Microsoft designed tests for compatibility and reliability on Windows 7) |