jump drive vs memory card

jump drive

noun
  • A USB flash drive. 

  • A means of travelling faster than light by jumping from one point to another in space. 

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 jump drive and memory card occurred in a corpus of books? (source: Google Ngram Viewer )