Crossword Genius

PC's "brain" (3)

Ross

I believe the answer is:

cpu

'pc's brain' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Another definition for cpu that I've seen is " Microprocessor chip".)

I've seen this clue in the Universal, the Family Time, the King Feature Syndicate, the USA Today and the Newsday.
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