| Subject | English | Welsh |
| comp., MS | central processing unit | uned brosesu ganolog (The computational and control unit of a computer. The CPU is the device that interprets and executes instructions. Mainframes and early minicomputers contained circuit boards full of integrated circuits that implemented the CPU. Single-chip central processing units, called microprocessors, made possible personal computers and workstations) |
| comp., MS | data processing | prosesu data (The manipulation of data to transform it into some desired result) |
| comp., MS | online analytical processing | prosesu dadansoddol ar-lein (A technology that uses multidimensional structures to provide rapid access to data for analysis. The source data for OLAP is commonly stored in data warehouses in a relational database) |
| comp., MS | processing instructions | cyfarwyddiadau prosesu (Information stored in the prologue of an XML document. This information is passed through the XML parser to any application that uses the XML document) |
| comp., MS | word processing | prosesu geiriau (The act of entering and editing text with a word processor) |