electronics vs gadget

electronics

noun
  • Electronic circuitry. 

  • A device or devices which require the flow of electrons through conductors and semiconductors in order to perform their function; devices that operate on electrical power (battery or outlet) 

  • The study and use of electrical devices that operate by controlling the flow of electrons or other electrically charged particles or by converting the flow of charged particles to or from other forms of energy. 

gadget

noun
  • Any consumer electronics product. 

  • Any device or machine, especially one whose name cannot be recalled. Often either clever or complicated. 

  • A sequence of machine code instructions crafted as part of an exploit that attempts to divert execution to a memory location chosen by the attacker. 

  • A technique for converting a part of one problem to an equivalent part of another problem. Used in constructing reductions. 

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