Which microcontroller is used mostly in industry 8051 or pic?
8051 is an old microcontroller design. It has been updated and
expanded into a family of microcontrollers manufactured by several
companies.
PIC is not a microcontroller, but is an extensive family of
microcontrollers designed and manufactured by Microchip, Inc.
Both are quite popular, and there are many other
microcontrollers available.