POST vs computer network

POST

noun
  • An HTTP request method used to send an arbitrary amount of data to a web server. 

verb
  • To successfully perform a power-on self-test. 

computer network

noun
  • A group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. 

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