computer programming vs silicon

computer programming

noun
  • The process of designing, writing, testing, debugging, and maintaining the source code of computer programs. 

silicon

noun
  • computing 

  • A nonmetallic element (symbol Si) with an atomic number of 14 and atomic weight of 28.0855. 

  • A single atom of this element. 

  • computer processor 

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