question: What are the names of the groups of FETs
answer: junction FET ( JFET ) and insulated gate FET ( IGFET )
turker_answer: Junction FET ( JFET ) and insulated gate FET ( IGFET ) are the names of the groups of FETs .
rule-based: The names of the groups of FETs are junction FET ( JFET ) and insulated gate FET ( IGFET