CPU vs micro

CPU

noun
  • The main computer case containing the central components of a personal computer. 

  • Any character or entity controlled by the game software. 

micro

adj
  • Small, relatively small; used to contrast levels of the noun modified. 

noun
  • a very small person 

  • micromanagement 

verb
  • to micromanage 

How often have the words CPU and micro occurred in a corpus of books? (source: Google Ngram Viewer )