Englishfor English speakers
processor
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noun
a business engaged in processing agricultural products and preparing them for market
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noun
someone who processes things (foods or photographs or applicants etc.)
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noun
(= CPU, C.P.U.)
(computer science) the part of a computer (a microprocessor chip) that does most of the data processing
the CPU and the memory form the central part of a computer to which the peripherals are attached
controller
Noun
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A controller is something or someone that controls.
Have you seen the video game controller?