| Subject | English | Estonian |
| comp., MS | central processing unit | protsessor (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) |
| IT | processing unit | kesktöötlusseade |
| IT | processing unit | protsessor (plokk informatsiooni vahetuks töötlemiseks) |
| IT | processing unit | tsentraalseade (tsentraalseade, arvutisüsteemi keskne, põhiline seade (Vrd. perifeerseadmed)) |
| IT | processing unit | keskseade |