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What type of transistor did Atalla co-invent?

BJT
JFET
MOSFET
IGBT

Answer

MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) was co-invented by John Atalla. It is a type of transistor that uses an insulated gate to control the flow of current between the source and drain terminals. MOSFETs are widely used in digital circuits, such as computer processors and memory chips, due to their small size, low power consumption, and high switching speed.