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| Welsh | English |
| Beth sy'n Chwarae? | Now Playing (A tab in Windows Media Player that enables the user to view the digital media item that is currently playing) |
| beth sy'n newydd | what's new (A list that displays someone's recent activity on Windows Live) |
| dadansoddiad beth-os | what-if analysis (The process of changing the values in cells to see how those changes affect the outcome of formulas on a worksheet. For example, varying the interest rate that is used in an amortization table to determine the amount of the payments) |