cache vs random access memory

cache

noun
  • A fast temporary storage where recently or frequently used information is stored to avoid having to reload it from a slower storage medium. 

  • A container containing treasure in a global treasure-hunt game. 

  • A store of things that may be required in the future, which can be retrieved rapidly, protected or hidden in some way. 

verb
  • To place in a cache. 

  • To store data in a cache. 

random access memory

noun
  • Computer memory, usually volatile, that stores program and data values during operation and in which each word of memory may be directly (randomly) accessed. 

How often have the words cache and random access memory occurred in a corpus of books? (source: Google Ngram Viewer )