flashcard vs memory card

flashcard

noun
  • A solid-state digital memory storage format, commonly found on computers, digital cameras and cellphones. 

  • A card used to aid rote memorization. One side of the card contains data of one kind, or a question, and the other side contains the associated response which one wants to memorize. For example, one side could contain an English word, and the other side the Spanish translation. 

memory card

noun
  • A solid state digital memory storage format, commonly found on computers, digital cameras and cellphones. 

  • A personal computer's expansion memory module that fits in a standard interface such as a PCI or ISA slot. 

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