| Subject | English | Welsh |
| comp., MS | app switch | newid rhaglen (A feature of Internet Explorer 10 that allows users to easily switch between websites and their corresponding apps) |
| comp., MS | app switching | newid rhwng rhaglenni (The functionality that allows users to switch back to recently used apps) |
| comp., MS | format switch | Switsh Fformat (A switch (\*) or instruction that specifies the capitalization, numeral style, and character formatting that Microsoft Word uses in a field result) |
| comp., MS | numeric picture switch | switsh llun rhifol (A switch (\) or instruction that specifies how Microsoft Word will display the numeric result of a field) |
| comp., MS | switch parameter | newid paramedr (A parameter that does not take an argument) |
| comp., MS | Switch User | Newid Defnyddiwr (A UI command used to switch between accounts on a device) |